Design/Logic Flaw

2011-01-1912:00:00

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7.1 High

AI Score

Confidence

High

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

89.4%

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
toreq0.2.1.10 alpha
toreq0.2.2.17 alpha
toreq0.1.1.6
toreq0.2.1.26
toreq0.1.1.2 alpha
toreq0.1.1.9
toreq0.0.6.2
toreq0.2.2.8 alpha
toreq0.0.2-pre24
toreq0.1.1.9 alpha

Name	Operator	Version
tor	eq	0.2.1.10 alpha
tor	eq	0.2.2.17 alpha
tor	eq	0.1.1.6
tor	eq	0.2.1.26
tor	eq	0.1.1.2 alpha
tor	eq	0.1.1.9
tor	eq	0.0.6.2
tor	eq	0.2.2.8 alpha
tor	eq	0.0.2-pre24
tor	eq	0.1.1.9 alpha