CVE-2017-15094

NameCVE-2017-15094
DescriptionAn issue has been found in the DNSSEC parsing code of PowerDNS Recursor from 4.0.0 up to and including 4.0.6 leading to a memory leak when parsing specially crafted DNSSEC ECDSA keys. These keys are only parsed when validation is enabled by setting dnssec to a value other than off or process-no-validate (default).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pdns-recursor (PTS)jessie, jessie (lts)3.6.2-2+deb8u4fixed
buster (security), buster, buster (lts)4.1.11-1+deb10u2fixed
bullseye4.4.2-3fixed
bookworm (security), bookworm4.8.8-1fixed
sid, trixie5.1.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pdns-recursorsourcewheezy(not affected)
pdns-recursorsourcejessie(not affected)
pdns-recursorsourcestretch4.0.4-1+deb9u2
pdns-recursorsource(unstable)4.0.7-1

Notes

[jessie] - pdns-recursor <not-affected> (Issue introduced in 4.0.0)
[wheezy] - pdns-recursor <not-affected> (Issue introduced in 4.0.0)
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-07.html
https://downloads.powerdns.com/patches/2017-07/

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