Buffer overflow in Freeradius Pam Radius
CVE-2015-9542
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Freeradius Pam Radius — versions 1.4.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- github.com/FreeRADIUS/pam_radius/commit/01173ec2426627dbb1e0d96c06c3ffa0b14d36d0 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/02/msg00023.html (mailing-list, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/4290-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4290-2/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/08/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-9542?
- CVE-2015-9542 is a high-severity vulnerability in Freeradius Pam Radius, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-02-24.
- How severe is CVE-2015-9542?
- High severity. CVSS v3 base score is 7.5 out of 10.