CVE-2013-2061

NameCVE-2013-2061
DescriptionThe openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack involving an HMAC comparison function that does not run in constant time and a padding oracle attack on the CBC mode cipher.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs707329

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openvpn (PTS)bullseye2.5.1-3fixed
bookworm, bookworm (security)2.6.3-1+deb12u2fixed
sid, trixie2.6.12-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openvpnsourcesqueeze2.1.3-2+squeeze2
openvpnsourcewheezy2.2.1-8+deb7u1
openvpnsource(unstable)2.3.1-1low707329

Notes

https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-f375aa67cc

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