CVE-2011-0427 Memory corruption in n/a
Remote attackers can cause denial of service or potentially execute arbitrary code via a heap-based buffer overflow in Tor.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-0427?
CVE-2011-0427 is a medium-severity memory corruption vulnerability in Tor Tor, published on 19 Jan 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-119
Which versions are affected by CVE-2011-0427?
It affects 1 product.
Products include Tor Tor.
How do I fix CVE-2011-0427?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2011-0427 being exploited?
There is no known exploitation of CVE-2011-0427 in the wild and no public exploit code.
Other vulnerabilities in Tor Tor
- CVE-2010-1676 Memory corruption in n/a
- CVE-2009-0939 Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to "Spec conformance," as
- CVE-2009-0414 Memory corruption in n/a
- CVE-2008-5398 Information disclosure in n/a
- CVE-2011-2778 Memory corruption in n/a
Sources
Also known as DEBIAN-CVE-2011-0427, GHSA-2v69-c83c-r4mh.