CVE-2011-0015
Vulnerability Summary
Timeline
Description
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly check the amount of compression in zlib-compressed data, which allows remote attackers to cause a denial of service via a large compression factor.
CVSS Metrics
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 2.35%• Percentile: 85%
Techniques & Countermeasures
- CWE-20•Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected Systems
- tor•tor
≤ 0.2.1.28 | 0.0.2 | 0.0.2_pre13 | 0.0.2_pre14 | 0.0.2_pre15 | 0.0.2_pre16 | 0.0.2_pre17 | 0.0.2_pre18 | 0.0.2_pre19 | 0.0.2_pre20 | 0.0.2_pre21 | 0.0.2_pre22 | 0.0.2_pre23 | 0.0.2_pre24 | 0.0.2_pre25 | 0.0.2_pre26 | 0.0.2_pre27 | 0.0.3 | 0.0.4 | 0.0.5 | 0.0.6 | 0.0.6.1 | 0.0.6.2 | 0.0.7 | 0.0.7.1 | 0.0.7.2 | 0.0.7.3 | 0.0.8 | 0.0.8.1 | 0.0.9 | 0.0.9.1 | 0.0.9.2 | 0.0.9.3 | 0.0.9.4 | 0.0.9.5 | 0.0.9.6 | 0.0.9.7 | 0.0.9.8 | 0.0.9.9 | 0.0.9.10 | 0.1.0.1 | 0.1.0.2 | 0.1.0.3 | 0.1.0.4 | 0.1.0.5 | 0.1.0.6 | 0.1.0.7 | 0.1.0.8 | 0.1.0.9 | 0.1.0.10 | 0.1.0.11 | 0.1.0.12 | 0.1.0.13 | 0.1.0.14 | 0.1.0.15 | 0.1.0.16 | 0.1.0.17 | 0.1.1 | 0.1.1.1 | 0.1.1.1:alpha | 0.1.1.2 | 0.1.1.2:alpha | 0.1.1.3 | 0.1.1.3:alpha | 0.1.1.4 | 0.1.1.4:alpha | 0.1.1.5 | 0.1.1.5:alpha | 0.1.1.6 | 0.1.1.6:alpha | 0.1.1.7 | 0.1.1.7:alpha | 0.1.1.8 | 0.1.1.8:alpha | 0.1.1.9 | 0.1.1.9:alpha | 0.1.1.10 | 0.1.1.10:alpha | 0.1.1.11 | 0.1.1.12 | 0.1.1.13 | 0.1.1.14 | 0.1.1.15 | 0.1.1.16 | 0.1.1.17 | 0.1.1.18 | 0.1.1.19 | 0.1.1.20 | 0.1.1.21 | 0.1.1.22 | 0.1.1.23 | 0.1.1.25 | 0.1.1.26 | 0.1.2.1:alpha-cvs | 0.1.2.2 | 0.1.2.3:alpha | 0.1.2.4 | 0.1.2.5 | 0.1.2.5:alpha | 0.1.2.6:alpha | 0.1.2.7:alpha | 0.1.2.8:beta | 0.1.2.9 | 0.1.2.10 | 0.1.2.11 | 0.1.2.12 | 0.1.2.13 | 0.1.2.14 | 0.1.2.15 | 0.1.2.16 | 0.1.2.17 | 0.1.2.18 | 0.1.2.19 | 0.1.2.30 | 0.1.2.31 | 0.2.0.1:alpha | 0.2.0.2:alpha | 0.2.0.3:alpha | 0.2.0.4:alpha | 0.2.0.5:alpha | 0.2.0.6:alpha | 0.2.0.7:alpha | 0.2.0.8:alpha | 0.2.0.9:alpha | 0.2.0.10:alpha | 0.2.0.11:alpha | 0.2.0.12:alpha | 0.2.0.13:alpha | 0.2.0.14:alpha | 0.2.0.15:alpha | 0.2.0.16:alpha | 0.2.0.17:alpha | 0.2.0.18:alpha | 0.2.0.19:alpha | 0.2.0.20:alpha | 0.2.0.21:alpha | 0.2.0.22:alpha | 0.2.0.23:alpha | 0.2.0.24:alpha | 0.2.0.25:alpha | 0.2.0.26:alpha | 0.2.0.27:alpha | 0.2.0.28:alpha | 0.2.0.29 | 0.2.0.29:alpha | 0.2.0.30 | 0.2.0.30:alpha | 0.2.0.31 | 0.2.0.31:alpha | 0.2.0.32:alpha | 0.2.0.33 | 0.2.0.34:alpha | 0.2.0.35 | 0.2.1.1:alpha | 0.2.1.2:alpha | 0.2.1.3:alpha | 0.2.1.4:alpha | 0.2.1.5:alpha | 0.2.1.6:alpha | 0.2.1.7:alpha | 0.2.1.8:alpha | 0.2.1.9:alpha | 0.2.1.10:alpha | 0.2.1.1.1:alpha | 0.2.1.12 | 0.2.1.1.2:alpha | 0.2.1.13 | 0.2.1.14 | 0.2.1.15 | 0.2.1.16 | 0.2.1.17 | 0.2.1.18 | 0.2.1.19 | 0.2.1.20 | 0.2.1.21 | 0.2.1.22 | 0.2.1.23 | 0.2.1.24 | 0.2.1.25 | 0.2.1.26 | 0.2.1.27 | 0.2.2.1 | 0.2.2.1:alpha | 0.2.2.2 | 0.2.2.2:alpha | 0.2.2.3 | 0.2.2.3:alpha | 0.2.2.4 | 0.2.2.4:alpha | 0.2.2.5 | 0.2.2.5:alpha | 0.2.2.6 | 0.2.2.6:alpha | 0.2.2.7:alpha | 0.2.2.8:alpha | 0.2.2.9:alpha | 0.2.2.10:alpha | 0.2.2.11:alpha | 0.2.2.12:alpha | 0.2.2.13:alpha | 0.2.2.14:alpha | 0.2.2.15:alpha | 0.2.2.16:alpha | 0.2.2.17:alpha | 0.2.2.18:alpha | 0.2.2.19:alpha | 0.2.2.20:alpha
References (12)
- http://archives.seul.org/or/announce/Jan-2011/msg00000.html
- http://www.vupen.com/english/advisories/2011/0131
- https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog
- https://trac.torproject.org/projects/tor/ticket/2324
- http://secunia.com/advisories/42907
- http://blog.torproject.org/blog/tor-02129-released-security-patches
- http://www.securitytracker.com/id?1024980
- http://www.vupen.com/english/advisories/2011/0132
- http://www.debian.org/security/2011/dsa-2148
- http://secunia.com/advisories/42905
- http://www.openwall.com/lists/oss-security/2011/01/18/7
- http://www.securityfocus.com/bid/45832