Buffer overflow in Pidgin
CVE-2016-2377
A buffer overflow vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent by the server could potentially result in an out-of-bounds write of one byte. A malicious server can send a negative content-length in response to a HTTP request triggering the vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.026 · change: -0.001
Affected products
- Pidgin — versions 2.10.11
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- www.pidgin.im/news/security/ (Patch, Vendor Advisory)
- www.securityfocus.com/bid/91335 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2016/dsa-3620 (vendor-advisory, Third Party Advisory)
- www.talosintelligence.com/reports/TALOS-2016-0119/ (Technical Description, Third Party Advisory)
- security.gentoo.org/glsa/201701-38 (vendor-advisory)
- www.ubuntu.com/usn/USN-3031-1 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-2377?
- CVE-2016-2377 is a high-severity vulnerability in Pidgin, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2017-01-06.
- How severe is CVE-2016-2377?
- High severity. CVSS v3 base score is 8.1 out of 10.