CVE-2017-15650
Published: 19 October 2017
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.
Priority
Status
Package | Release | Status |
---|---|---|
musl Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
bionic |
Not vulnerable
(1.1.19-1)
|
|
cosmic |
Not vulnerable
(1.1.19-1)
|
|
disco |
Not vulnerable
(1.1.19-1)
|
|
eoan |
Not vulnerable
(1.1.19-1)
|
|
focal |
Not vulnerable
(1.1.19-1)
|
|
groovy |
Not vulnerable
(1.1.19-1)
|
|
hirsute |
Not vulnerable
(1.1.19-1)
|
|
impish |
Not vulnerable
(1.1.19-1)
|
|
jammy |
Not vulnerable
(1.1.19-1)
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Released
(1.1.17-1)
|
|
xenial |
Released
(1.1.9-1ubuntu0.1~esm2)
Available with Ubuntu Pro |
|
zesty |
Ignored
(end of life)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://git.musl-libc.org/cgit/musl/patch/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395
- 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
- https://www.cve.org/CVERecord?id=CVE-2017-15650
- NVD
- Launchpad
- Debian