CVE-1999-0491 : Detail

CVE-1999-0491

Code Injection
A03-Injection
0.04%V3
Local
2000-06-02
02h00 +00:00
2024-08-01
16h41 +00:00
CVE.org
NVD
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CVE Descriptions

The prompt parsing in bash allows a local user to execute commands as another user by creating a directory with the name of the command to execute.

CVE Informations

Related Weaknesses

CWE-ID Weakness Name Source
CWE-94 Improper Control of Generation of Code ('Code Injection')
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Metrics

Metrics Score Severity CVSS Vector Source
V2 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P [email protected]

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

Exploit information

Exploit Database EDB-ID : 19095

Publication date : 1999-04-19 22h00 +00:00
Author : Shadow
EDB Verified : Yes

source: https://www.securityfocus.com/bid/119/info A vulnerability in bash may allow inadvertently running commands embedded in the path to the currently working directory. If an unsuspecting user enters a directory created by some malicious user with embedded commands, and their prompt (PS1) contains '\w' or '\W', and the prompt is displayed the commands will be executed. The vulnerability is in the parsing of the '\w' and '\W' escape codes. As the prompt must be displayed unattended shell scripts are not vulnerable. mkdir "\`echo -e \"echo + +> ~\57.rhosts\" > x; source x; rm -f \x\` "

Products Mentioned

Configuraton 0

Gnu>>Bash >> Version To (including) 2.04

Gnu>>Bash >> Version 1.14.0

Gnu>>Bash >> Version 1.14.1

Gnu>>Bash >> Version 1.14.2

Gnu>>Bash >> Version 1.14.3

Gnu>>Bash >> Version 1.14.4

Gnu>>Bash >> Version 1.14.5

Gnu>>Bash >> Version 1.14.6

Gnu>>Bash >> Version 1.14.7

Gnu>>Bash >> Version 2.0

Gnu>>Bash >> Version 2.01

Gnu>>Bash >> Version 2.01.1

Gnu>>Bash >> Version 2.02

Gnu>>Bash >> Version 2.02.1

Gnu>>Bash >> Version 2.03

Gnu>>Bash >> Version 2.05

Gnu>>Bash >> Version 2.05

References

http://www.securityfocus.com/bid/119
Tags : vdb-entry, x_refsource_BID