CVE-2003-0967 Detail

CVE-2003-0967

EPSS

0.89%V3

Vector

Network

Published

2003-12-02
04h00 +00:00

Modified

2017-10-09
22h57 +00:00

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CVE.org

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CVE Descriptions

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

CVE Informations

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	5		AV:N/AC:L/Au:N/C:N/I:N/A:P	[email protected]

EPSS

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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.

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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.

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Exploit information

Exploit Database EDB-ID : 23391

Publication date : 2003-11-19 23h00 +00:00
Author : Evgeny Legerov
EDB Verified : Yes

source: https://www.securityfocus.com/bid/9079/info FreeRADIUS is prone to a heap-corruption vulnerability when handling of tag-field input. An attacker may be able to exploit this issue to deny service to legitimate users of a vulnerable FreeRADIUS server. This issue was initially reported as a vulnerability in how the software handles 'Tunnel-Password' attribute in Access-Request packets, but the issue turns out to have wider scope, affecting tag-field input in general. This vulnerability affects FreeRADIUS 0.4.0 through 0.9.2. UPDATE (September 9, 2009): This issue was fixed in 2003 but reintroduced later. FreeRADIUS 1.1.3 through 1.1.7 are also vulnerable. bash-2.05$ echo -ne "\x01\x01\x00\x16\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x45\x02" | nc -vu -w1 <victim> <port>