Heap-based buffer overflow in Tor - CVE-2011-0427

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Main Vulnerability Database Vulnerabilities #VU45427

Heap-based buffer overflow in Tor - CVE-2011-0427

Published: January 19, 2011 / Updated: January 12, 2023


Vulnerability identifier: #VU45427
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-0427
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: tor.eff.org
Affected software:
Tor

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha. A remote attacker can use unspecified vectors. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2011-0427

Install update from vendor's website.

Sources