CVEvulnerability

CVE-2013-0263

5.1 MEDIUM Published 2013-02-08 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2013-02-08
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.1 MEDIUM — AV:N/AC:H/Au:N/C:P/I:P/A:P

Description

Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that does not run in constant time.

Affected configurations

• rack project rack 1.5.0 • rack project rack 1.5.1 • rack project rack 1.4.0 • rack project rack 1.4.1 • rack project rack 1.4.2 • rack project rack 1.4.3 • rack project rack 1.4.4 • rack project rack 1.3.0 • rack project rack 1.3.1 • rack project rack 1.3.2 • rack project rack 1.3.3 • rack project rack 1.3.4 • rack project rack 1.3.5 • rack project rack 1.3.6 • rack project rack 1.3.7 • rack project rack 1.3.8 • rack project rack 1.3.9 • rack project rack 1.2.0 • rack project rack 1.2.1 • rack project rack 1.2.2 • rack project rack 1.2.3 • rack project rack 1.2.4 • rack project rack 1.2.6 • rack project rack 1.2.7 • rack project rack 1.1.0 • rack project rack 1.1.4 • rack project rack 1.1.5 • rack project rack 1.1.6

References