CVE-2015-9542 — HIGH (7.5) — White Hats Nepal

Vulnerability 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 Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Freeradius	Pam Radius	1.4.0
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	12.04

Related Weaknesses (CWE)

CWE-787

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-9542Issue TrackingPatchThird Party Advisory
https://github.com/FreeRADIUS/pam_radius/commit/01173ec2426627dbb1e0d96c06c3ffa0PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/02/msg00023.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00000.htmlMailing ListThird Party Advisory
https://usn.ubuntu.com/4290-1/Third Party Advisory
https://usn.ubuntu.com/4290-2/Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-9542Issue TrackingPatchThird Party Advisory
https://github.com/FreeRADIUS/pam_radius/commit/01173ec2426627dbb1e0d96c06c3ffa0PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/02/msg00023.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00000.htmlMailing ListThird Party Advisory
https://usn.ubuntu.com/4290-1/Third Party Advisory
https://usn.ubuntu.com/4290-2/Third Party Advisory

FAQ

What is CVE-2015-9542?

CVE-2015-9542 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 s...

How severe is CVE-2015-9542?

CVE-2015-9542 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-9542?

Check the references section above for vendor advisories and patch information. Affected products include: Freeradius Pam Radius, Debian Debian Linux, Canonical Ubuntu Linux.