CVE-2022-3742 : Detail

CVE-2022-3742

6.7
/
Medium
Overflow
0.04%V3
Local
2023-08-23
19h42 +00:00
2024-10-09
19h17 +00:00
CVE.org
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CVE Descriptions

A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local attacker with elevated privileges to execute arbitrary code due to improper buffer validation.

CVE Solutions

Update system firmware to the version (or newer) indicated for your model in the Product Impact section in LEN-103710.

CVE Informations

Related Weaknesses

CWE-ID Weakness Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

Metrics

Metrics Score Severity CVSS Vector Source
V3.1 6.7 MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Base: Exploitabilty Metrics

The Exploitability metrics reflect the characteristics of the thing that is vulnerable, which we refer to formally as the vulnerable component.

Attack Vector

This metric reflects the context by which vulnerability exploitation is possible.

Local

The vulnerable component is not bound to the network stack and the attacker’s path is via read/write/execute capabilities.

Attack Complexity

This metric describes the conditions beyond the attacker’s control that must exist in order to exploit the vulnerability.

Low

Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success when attacking the vulnerable component.

Privileges Required

This metric describes the level of privileges an attacker must possess before successfully exploiting the vulnerability.

High

The attacker requires privileges that provide significant (e.g., administrative) control over the vulnerable component allowing access to component-wide settings and files.

User Interaction

This metric captures the requirement for a human user, other than the attacker, to participate in the successful compromise of the vulnerable component.

None

The vulnerable system can be exploited without interaction from any user.

Base: Scope Metrics

The Scope metric captures whether a vulnerability in one vulnerable component impacts resources in components beyond its security scope.

Scope

Formally, a security authority is a mechanism (e.g., an application, an operating system, firmware, a sandbox environment) that defines and enforces access control in terms of how certain subjects/actors (e.g., human users, processes) can access certain restricted objects/resources (e.g., files, CPU, memory) in a controlled manner. All the subjects and objects under the jurisdiction of a single security authority are considered to be under one security scope. If a vulnerability in a vulnerable component can affect a component which is in a different security scope than the vulnerable component, a Scope change occurs. Intuitively, whenever the impact of a vulnerability breaches a security/trust boundary and impacts components outside the security scope in which vulnerable component resides, a Scope change occurs.

Unchanged

An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.

Base: Impact Metrics

The Impact metrics capture the effects of a successfully exploited vulnerability on the component that suffers the worst outcome that is most directly and predictably associated with the attack. Analysts should constrain impacts to a reasonable, final outcome which they are confident an attacker is able to achieve.

Confidentiality Impact

This metric measures the impact to the confidentiality of the information resources managed by a software component due to a successfully exploited vulnerability.

High

There is a total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact. For example, an attacker steals the administrator's password, or private encryption keys of a web server.

Integrity Impact

This metric measures the impact to integrity of a successfully exploited vulnerability. Integrity refers to the trustworthiness and veracity of information.

High

There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.

Availability Impact

This metric measures the impact to the availability of the impacted component resulting from a successfully exploited vulnerability.

High

There is a total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).

Temporal Metrics

The Temporal metrics measure the current state of exploit techniques or code availability, the existence of any patches or workarounds, or the confidence in the description of a vulnerability.

Environmental Metrics

These metrics enable the analyst to customize the CVSS score depending on the importance of the affected IT asset to a user’s organization, measured in terms of Confidentiality, Integrity, and Availability.

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
EPSS First.org

Products Mentioned

Configuraton 0

Lenovo>>Ideapad_1_14iau7_firmware >> Version To (excluding) jkcn34ww

Lenovo>>Ideapad_1_14iau7 >> Version -

Configuraton 0

Lenovo>>Ideapad_1_14igl7_firmware >> Version To (excluding) kkcn15ww

Lenovo>>Ideapad_1_14igl7 >> Version -

Configuraton 0

Lenovo>>Ideapad_1_15iau7_firmware >> Version To (excluding) jkcn34ww

Lenovo>>Ideapad_1_15iau7 >> Version -

Configuraton 0

Lenovo>>Ideapad_1_15igl7_firmware >> Version To (excluding) kkcn15ww

Lenovo>>Ideapad_1_15igl7 >> Version -

Configuraton 0

Lenovo>>Ideapad_1-14ijl7_firmware >> Version To (excluding) htcn31ww

Lenovo>>Ideapad_1-14ijl7 >> Version -

Configuraton 0

Lenovo>>Ideapad_1-15ijl7_firmware >> Version To (excluding) htcn31ww

Lenovo>>Ideapad_1-15ijl7 >> Version -

Configuraton 0

Lenovo>>Ideapad_3_14iau7_firmware >> Version To (excluding) jkcn34ww

Lenovo>>Ideapad_3_14iau7 >> Version -

Configuraton 0

Lenovo>>Ideapad_3_15iau7_firmware >> Version To (excluding) jkcn34ww

Lenovo>>Ideapad_3_15iau7 >> Version -

Configuraton 0

Lenovo>>Ideapad_3_17iau7_firmware >> Version To (excluding) jkcn34ww

Lenovo>>Ideapad_3_17iau7 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-15igl05_firmware >> Version To (excluding) dvcn28ww

Lenovo>>Ideapad_3-15igl05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-17iil05_firmware >> Version To (excluding) emcn56ww

Lenovo>>Ideapad_3-17iil05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-17itl6_firmware >> Version To (excluding) ggcn51ww

Lenovo>>Ideapad_3-17itl6 >> Version -

Configuraton 0

Lenovo>>Ideapad_5_15ial7_firmware >> Version To (excluding) jbcn27ww

Lenovo>>Ideapad_5_15ial7 >> Version -

Configuraton 0

Lenovo>>Ideapad_5-15itl05_firmware >> Version To (excluding) fhcn70ww

Lenovo>>Ideapad_5-15itl05 >> Version -

Configuraton 0

Lenovo>>L3-15iml05_firmware >> Version To (excluding) ejcn30ww

Lenovo>>L3-15iml05 >> Version -

Configuraton 0

Lenovo>>L3-15itl6_firmware >> Version To (excluding) gfcn29ww

Lenovo>>L3-15itl6 >> Version -

Configuraton 0

Lenovo>>Legion_5_15iah7_firmware >> Version To (excluding) j2cn49ww

Lenovo>>Legion_5_15iah7 >> Version -

Configuraton 0

Lenovo>>Legion_5_15iah7h_firmware >> Version To (excluding) j2cn49ww

Lenovo>>Legion_5_15iah7h >> Version -

Configuraton 0

Lenovo>>Legion_5_pro_16iah7_firmware >> Version To (excluding) j2cn49ww

Lenovo>>Legion_5_pro_16iah7 >> Version -

Configuraton 0

Lenovo>>Legion_5_pro_16iah7h_firmware >> Version To (excluding) j2cn49ww

Lenovo>>Legion_5_pro_16iah7h >> Version -

Configuraton 0

Lenovo>>Legion_5_pro-16ith6_firmware >> Version To (excluding) h1cn52ww

Lenovo>>Legion_5_pro-16ith6 >> Version -

Configuraton 0

Lenovo>>Legion_5_pro-16ith6h_firmware >> Version To (excluding) h1cn52ww

Lenovo>>Legion_5_pro-16ith6h >> Version -

Configuraton 0

Lenovo>>Legion_5-15imh05_firmware >> Version To (excluding) efcn58ww

Lenovo>>Legion_5-15imh05 >> Version -

Configuraton 0

Lenovo>>Legion_5-15imh05h_firmware >> Version To (excluding) efcn58ww

Lenovo>>Legion_5-15imh05h >> Version -

Configuraton 0

Lenovo>>Legion_5-15imh6_firmware >> Version To (excluding) g8cn22ww

Lenovo>>Legion_5-15imh6 >> Version -

Configuraton 0

Lenovo>>Legion_5-15ith6_firmware >> Version To (excluding) h1cn52ww

Lenovo>>Legion_5-15ith6 >> Version -

Configuraton 0

Lenovo>>Legion_5-15ith6h_firmware >> Version To (excluding) h1cn52ww

Lenovo>>Legion_5-15ith6h >> Version -

Configuraton 0

Lenovo>>Legion_5-17imh05_firmware >> Version To (excluding) efcn58ww

Lenovo>>Legion_5-17imh05 >> Version -

Configuraton 0

Lenovo>>Legion_5-17imh05h_firmware >> Version To (excluding) efcn58ww

Lenovo>>Legion_5-17imh05h >> Version -

Configuraton 0

Lenovo>>Legion_5-17ith6_firmware >> Version To (excluding) h1cn52ww

Lenovo>>Legion_5-17ith6 >> Version -

Configuraton 0

Lenovo>>Legion_5-17ith6h_firmware >> Version To (excluding) h1cn52ww

Lenovo>>Legion_5-17ith6h >> Version -

Configuraton 0

Lenovo>>Legion_5p-15imh05_firmware >> Version To (excluding) efcn58ww

Lenovo>>Legion_5p-15imh05 >> Version -

Configuraton 0

Lenovo>>Legion_5p-15imh05h_firmware >> Version To (excluding) efcn58ww

Lenovo>>Legion_5p-15imh05h >> Version -

Configuraton 0

Lenovo>>Legion_7_16iax7_firmware >> Version To (excluding) k1cn40ww

Lenovo>>Legion_7_16iax7 >> Version -

Configuraton 0

Lenovo>>Legion_7-16ithg6_firmware >> Version To (excluding) h1cn52ww

Lenovo>>Legion_7-16ithg6 >> Version -

Configuraton 0

Lenovo>>S14_g2_itl_firmware >> Version To (excluding) ggcn51ww

Lenovo>>S14_g2_itl >> Version -

Configuraton 0

Lenovo>>S14_g3_iap_firmware >> Version To (excluding) jkcn34ww

Lenovo>>S14_g3_iap >> Version -

Configuraton 0

Lenovo>>Slim_7_14iap7_firmware >> Version To (excluding) jhcn28ww

Lenovo>>Slim_7_14iap7 >> Version -

Configuraton 0

Lenovo>>Slim_7_carbon_13iap7_firmware >> Version To (excluding) k2cn34ww

Lenovo>>Slim_7_carbon_13iap7 >> Version -

Configuraton 0

Lenovo>>Slim_7_prox_14iah7_firmware >> Version To (excluding) hmcn41ww

Lenovo>>Slim_7_prox_14iah7 >> Version -

Configuraton 0

Lenovo>>Slim_9_14iap7_firmware >> Version To (excluding) j3cn49ww

Lenovo>>Slim_9_14iap7 >> Version -

Configuraton 0

Lenovo>>Thinkbook_15p_imh_firmware >> Version To (excluding) f6cn26ww

Lenovo>>Thinkbook_15p_imh >> Version -

Configuraton 0

Lenovo>>V14_g2_ijl_firmware >> Version To (excluding) htcn31ww

Lenovo>>V14_g2_ijl >> Version -

Configuraton 0

Lenovo>>V14_g3_iap_firmware >> Version To (excluding) jkcn34ww

Lenovo>>V14_g3_iap >> Version -

Configuraton 0

Lenovo>>V15_g2_ijl_firmware >> Version To (excluding) htcn31ww

Lenovo>>V15_g2_ijl >> Version -

Configuraton 0

Lenovo>>V15_g3_iap_firmware >> Version To (excluding) jkcn34ww

Lenovo>>V15_g3_iap >> Version -

Configuraton 0

Lenovo>>V17_g3_iap_firmware >> Version To (excluding) jkcn34ww

Lenovo>>V17_g3_iap >> Version -

Configuraton 0

Lenovo>>S540-13itl_firmware >> Version To (excluding) fzcn26ww

Lenovo>>S540-13itl >> Version -

Configuraton 0

Lenovo>>Slim_7_pro-14ihu5_firmware >> Version To (excluding) fjcn74ww

Lenovo>>Slim_7_pro-14ihu5 >> Version -

Configuraton 0

Lenovo>>Slim_9-14itl05_firmware >> Version To (excluding) escn56ww

Lenovo>>Slim_9-14itl05 >> Version -

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Lenovo>>Thinkbook_15p_g2_ith_firmware >> Version To (excluding) hjcn32ww

Lenovo>>Thinkbook_15p_g2_ith >> Version -

Configuraton 0

Lenovo>>V14_g1-iml_firmware >> Version To (excluding) dxcn44ww

Lenovo>>V14_g1-iml >> Version -

Configuraton 0

Lenovo>>V14_g2-itl_firmware >> Version To (excluding) ggcn51ww

Lenovo>>V14_g2-itl >> Version -

Configuraton 0

Lenovo>>V14-igl_firmware >> Version To (excluding) dvcn28ww

Lenovo>>V14-igl >> Version -

Configuraton 0

Lenovo>>V15_g1-iml_firmware >> Version To (excluding) dxcn44ww

Lenovo>>V15_g1-iml >> Version -

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Lenovo>>V15_g2-itl_firmware >> Version To (excluding) ggcn51ww

Lenovo>>V15_g2-itl >> Version -

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Lenovo>>V15-igl_firmware >> Version To (excluding) dvcn28ww

Lenovo>>V15-igl >> Version -

Configuraton 0

Lenovo>>V17_g2-itl_firmware >> Version To (excluding) ggcn51ww

Lenovo>>V17_g2-itl >> Version -

Configuraton 0

Lenovo>>V17-iil_firmware >> Version To (excluding) emcn56ww

Lenovo>>V17-iil >> Version -

Configuraton 0

Lenovo>>Yoga_7_14ial7_firmware >> Version To (excluding) j1cn35ww

Lenovo>>Yoga_7_14ial7 >> Version -

Configuraton 0

Lenovo>>Yoga_7_16iah7_firmware >> Version To (excluding) j1cn35ww

Lenovo>>Yoga_7_16iah7 >> Version -

Configuraton 0

Lenovo>>Yoga_7_16iap7_firmware >> Version To (excluding) j1cn35ww

Lenovo>>Yoga_7_16iap7 >> Version -

Configuraton 0

Lenovo>>Yoga_7-14itl5_firmware >> Version To (excluding) f5cn59ww

Lenovo>>Yoga_7-14itl5 >> Version -

Configuraton 0

Lenovo>>Yoga_7-15itl5_firmware >> Version To (excluding) f5cn59ww

Lenovo>>Yoga_7-15itl5 >> Version -

Configuraton 0

Lenovo>>Yoga_9_14iap7_firmware >> Version To (excluding) hncn42ww

Lenovo>>Yoga_9_14iap7 >> Version -

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Lenovo>>Yoga_slim_7_carbon_13iap7_firmware >> Version To (excluding) k2cn34ww

Lenovo>>Yoga_slim_7_carbon_13iap7 >> Version -

Configuraton 0

Lenovo>>Yoga_slim_7_pro_14iah7_firmware >> Version To (excluding) krcn14ww

Lenovo>>Yoga_slim_7_pro_14iah7 >> Version -

Configuraton 0

Lenovo>>Yoga_slim_7_pro_14iap7_firmware >> Version To (excluding) jhcn28ww

Lenovo>>Yoga_slim_7_pro_14iap7 >> Version -

Configuraton 0

Lenovo>>Yoga_slim_7_pro-14ihu5_firmware >> Version To (excluding) fjcn74ww

Lenovo>>Yoga_slim_7_pro-14ihu5 >> Version -

Configuraton 0

Lenovo>>Yoga_slim_7_pro-14ihu5_o_firmware >> Version To (excluding) fjcn74ww

Lenovo>>Yoga_slim_7_pro-14ihu5_o >> Version -

Configuraton 0

Lenovo>>Yoga_slim_7_pro-14itl5_firmware >> Version To (excluding) fjcn74ww

Lenovo>>Yoga_slim_7_pro-14itl5 >> Version -

Configuraton 0

Lenovo>>Yoga_slim_7_prox_14iah7_firmware >> Version To (excluding) hmcn41ww

Lenovo>>Yoga_slim_7_prox_14iah7 >> Version -

Configuraton 0

Lenovo>>Yoga_slim_9_14iap7_firmware >> Version To (excluding) j3cn49ww

Lenovo>>Yoga_slim_9_14iap7 >> Version -

Configuraton 0

Lenovo>>Yoga_slim_9-14itl05_firmware >> Version To (excluding) escn56ww

Lenovo>>Yoga_slim_9-14itl05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-14igl05_firmware >> Version To (excluding) dvcn28ww

Lenovo>>Ideapad_3-14igl05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-14iil05_firmware >> Version To (excluding) emcn56ww

Lenovo>>Ideapad_3-14iil05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-14iml05_firmware >> Version To (excluding) dxcn44ww

Lenovo>>Ideapad_3-14iml05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-14itl05_firmware >> Version To (excluding) gccn32ww

Lenovo>>Ideapad_3-14itl05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-14itl6_firmware >> Version To (excluding) ggcn51ww

Lenovo>>Ideapad_3-14itl6 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-15iil05_firmware >> Version To (excluding) emcn56ww

Lenovo>>Ideapad_3-15iil05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-15iml05_firmware >> Version To (excluding) dxcn44ww

Lenovo>>Ideapad_3-15iml05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-15itl05_firmware >> Version To (excluding) gccn32ww

Lenovo>>Ideapad_3-15itl05 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-15itl6_firmware >> Version To (excluding) ggcn51ww

Lenovo>>Ideapad_3-15itl6 >> Version -

Configuraton 0

Lenovo>>Ideapad_3-17iml05_firmware >> Version To (excluding) dxcn44ww

Lenovo>>Ideapad_3-17iml05 >> Version -

Configuraton 0

Lenovo>>Ideapad_5-15iil05_firmware >> Version To (excluding) dpcn58ww

Lenovo>>Ideapad_5-15iil05 >> Version -

Configuraton 0

Lenovo>>Ideapad_creator_5-15imh05_firmware >> Version To (excluding) egcn40ww

Lenovo>>Ideapad_creator_5-15imh05 >> Version -

Configuraton 0

Lenovo>>Ideapad_gaming_3-15imh05_firmware >> Version To (excluding) egcn40ww

Lenovo>>Ideapad_gaming_3-15imh05 >> Version -

References