CVE-2015-9542 Information

Description

add_password in pam_radius_auth.c in pam_radius 1.4.0 does not correctly check the length of the input password and is vulnerable to a stack-based buffer overflow during memcpy(). An attacker could send a crafted password to an application (loading the pam_radius library) and crash it. Arbitrary code execution might be possible depending on the application C library compiler and other factors.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-9542 https://github.com/FreeRADIUS/pam_radius/commit/01173ec2426627dbb1e0d96c06c3ffa0b14d36d0 https://lists.debian.org/debian-lts-announce/2020/02/msg00023.html https://lists.debian.org/debian-lts-announce/2020/08/msg00000.html https://usn.ubuntu.com/4290-1/ https://usn.ubuntu.com/4290-2/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5