CVE-2014-3484 — Out-of-bounds Write in Musl

CWE-787 — Out-of-bounds Write7 documents6 sources
Severity
9.8CRITICALNVD
EPSS
1.8%
top 17.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Musl-libc Musl
Timeline
PublishedFeb 20
Latest updateMay 17

Description

Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand.c in musl libc 1.1x before 1.1.2 and 0.9.13 through 1.0.3 allow remote attackers to (1) have unspecified impact via an invalid name length in a DNS response or (2) cause a denial of service (crash) via an invalid name length in a DNS response, related to an infinite loop with no output.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDmusl-libc/musl1.1.0 — 1.1.2+1
▶Debianmusl-libc/musl< 1.1.4-1+3

Patches

Patch: git.musl-libc.org ↗Patch: seclists.org ↗Patch: git.musl-libc.org ↗

🔴Vulnerability Details

4
GHSA
GHSA-j83j-g9hw-7wvp: Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand↗2022-05-17
▶
OSV
musl vulnerabilities↗2021-03-15
▶
CVEList
CVE-2014-3484: Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand↗2020-02-20
▶
OSV
CVE-2014-3484: Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand↗2020-02-20
▶

📋Vendor Advisories

2
Ubuntu
musl vulnerabilities↗2021-03-15
▶
Debian
CVE-2014-3484: musl - Multiple stack-based buffer overflows in the __dn_expand function in network/dn_...↗2014
▶
CVE-2014-3484 — Out-of-bounds Write in Musl-libc Musl | cvebase