CVE-2017-15650

7.5 HIGH
Published: October 19, 2017 Modified: May 13, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.musl-libc.org/cgit/musl/tree/WHATSNEW
Source: cve@mitre.org
Vendor Advisory
http://openwall.com/lists/oss-security/2017/10/19/5
Source: cve@mitre.org
Mailing List Mitigation Third Party Advisory
http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://git.musl-libc.org/cgit/musl/tree/WHATSNEW
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://openwall.com/lists/oss-security/2017/10/19/5
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Mitigation Third Party Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
2.0%
78th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

musl-libc