CVE-2011-2778 — Improper Restriction of Operations within the Bounds of a Memory Buffer in TOR

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer7 documents6 sources
Severity
7.6HIGHNVD
EPSS
3.5%
top 12.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Torproject TORTOR
Timeline
PublishedDec 23
Latest updateMay 17

Description

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.

CVSS vector

AV:N/AC:H/C:C/I:C/A:CExploitability: 4.9 | Impact: 10.0

Affected Packages2 packages

▶Debiantorproject/tor< 0.2.2.35-1+3
▶NVDtor/tor0.2.2.34+205

Patches

Patch: blog.torproject.org ↗Patch: blog.torproject.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-63gv-rq26-r5mp: Multiple heap-based buffer overflows in Tor before 0↗2022-05-17
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OSV
CVE-2011-2778: Multiple heap-based buffer overflows in Tor before 0↗2011-12-23
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CVEList
CVE-2011-2778: Multiple heap-based buffer overflows in Tor before 0↗2011-12-23
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📋Vendor Advisories

1
Debian
CVE-2011-2778: tor - Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attacke...↗2011
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💬Community

2
Bugzilla
CVE-2011-2778 CVE-2011-4897 tor various flaws [epel-5]↗2012-12-11
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Bugzilla
CVE-2011-2778 Tor heap-based buffer overflow↗2011-12-16
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CVE-2011-2778 — TOR vulnerability | cvebase