CVE-2009-0025

NameCVE-2009-0025
DescriptionBIND 9.6.0, 9.5.1, 9.5.0, 9.4.3, and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1703-1
Debian Bugs511936

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bind9 (PTS)bullseye (security), bullseye1:9.16.48-1fixed
bookworm, bookworm (security)1:9.18.24-1fixed
trixie1:9.19.24-185-g392e7199df2-1fixed
sid1:9.20.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bind9sourceetch1:9.3.4-2etch4DSA-1703-1
bind9source(unstable)1:9.5.1.dfsg.P1-1low511936

Notes

unlike the advisory states it is DSA_do_verify not DSA_verify
low severity because it is believed hard to trigger and only
affects DNSSEC with DSA, which is supposedly rarely used.

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