Buffer overflow in Tor

CVE-2011-2778

Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by (1) establishing a SOCKS connection to SocksPort or (2) leveraging a SOCKS proxy configuration.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v2 metric

CVSS v2 base score 7.6 (High). Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.038 (89.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2011-2778: held from 0.038 to 0.038.

EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000

Affected products

  • Tor — versions 0.0.2, 0.0.3, 0.0.4

Weakness classification (CWE)

References