Buffer overflow in Tor

CVE-2011-0427

Heap-based buffer overflow in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v2 metric

CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.044 (91.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% 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-2011-0427: held from 0.044 to 0.044.

EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000

Affected products

  • Tor — versions 0.0.2, 0.0.2_pre13, 0.0.2_pre14

Weakness classification (CWE)

References