CVE-2011-0491

2011-01-1912:00:00

CWE-20

[email protected]

web.nvd.nist.gov

cve-2011-0491

tor

memory allocation

denial of service

underflow errors

6.5 Medium

AI Score

Confidence

Low

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.023 Low

EPSS

Percentile

89.6%

JSON

The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to “underflow errors.”

CPENameOperatorVersion
tor:tortoreq0.2.1.10
tor:tortoreq0.2.2.17
tor:tortoreq0.1.1.6
tor:tortoreq0.2.1.26
tor:tortoreq0.1.1.2
tor:tortoreq0.1.1.9
tor:tortoreq0.0.6.2
tor:tortoreq0.2.2.8
tor:tortoreq0.0.2_pre24
tor:tortoreq0.2.0.30

CPE	Name	Operator	Version
tor:tor	tor	eq	0.2.1.10
tor:tor	tor	eq	0.2.2.17
tor:tor	tor	eq	0.1.1.6
tor:tor	tor	eq	0.2.1.26
tor:tor	tor	eq	0.1.1.2
tor:tor	tor	eq	0.1.1.9
tor:tor	tor	eq	0.0.6.2
tor:tor	tor	eq	0.2.2.8
tor:tor	tor	eq	0.0.2_pre24
tor:tor	tor	eq	0.2.0.30