CVE-2017-15650

musl 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 69%
VendorProductVersion
musl-libcmusl
𝑥
≤ 1.1.6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
musl
bullseye
1.2.2-1
fixed
stretch
no-dsa
jessie
no-dsa
bookworm
1.2.3-1
fixed
sid
1.2.5-1.1
fixed
trixie
1.2.5-1.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
musl
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
not-affected
bionic
not-affected
artful
ignored
zesty
ignored
xenial
Fixed 1.1.9-1ubuntu0.1~esm2
released
trusty
not-affected
Common Weakness Enumeration
References
http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395
http://git.musl-libc.org/cgit/musl/tree/WHATSNEW
http://openwall.com/lists/oss-security/2017/10/19/5
http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395
http://git.musl-libc.org/cgit/musl/tree/WHATSNEW
http://openwall.com/lists/oss-security/2017/10/19/5