CVE-2017-15650

NameCVE-2017-15650
Descriptionmusl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
musl (PTS)jessie1.1.5-2+deb8u1vulnerable
stretch1.1.16-3vulnerable
buster1.1.21-2fixed
bullseye, sid1.1.24-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
muslsource(unstable)1.1.17-1

Notes

[stretch] - musl <no-dsa> (Minor issue)
[jessie] - musl <no-dsa> (Minor issue)
https://git.musl-libc.org/cgit/musl/patch/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395

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