Out-of-bounds Read in Pidgin

CVE-2016-2372

An information leak exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could potentially result in an out-of-bounds read. A malicious user, server, or man-in-the-middle attacker can send an invalid size for a file transfer which will trigger an out-of-bounds read vulnerability. This could result in a denial of service or copy data from memory to the file, resulting in an information leak if the file is sent to another user.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (75.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cret@cert.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
  • cret@cert.org (Technical Description, Third Party Advisory, x_refsource_MISC)
  • cret@cert.org (vendor-advisory, x_refsource_GENTOO)
  • cret@cert.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
  • cret@cert.org (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-2372?
CVE-2016-2372 is a medium-severity vulnerability in Pidgin, classified under Out-of-bounds Read. CVSS score: 5.9/10. Published 2017-01-06.
How severe is CVE-2016-2372?
Medium severity. CVSS v3 base score is 5.9 out of 10.