CVE-2020-29129 — Out-of-bounds Read in Project Libslirp

CWE-125 — Out-of-bounds Read7 documents6 sources
Severity
4.3MEDIUMNVD
EPSS
0.3%
top 48.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Libslirp Project LibslirpQemuDebian Linux+1 more
Timeline
PublishedNov 26
Latest updateJul 15

Description

ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packet length.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶Debianlibslirp_project/libslirp< 4.4.0-1+3
▶Ubuntulibslirp_project/libslirp< 4.1.0-2ubuntu2.2
▶Debianqemu/qemu< 1:4.1-2+3

Also affects: Debian Linux 10.0, Fedora 32, 33

🔴Vulnerability Details

3
OSV
libslirp vulnerabilities↗2021-07-15
▶
OSV
CVE-2020-29129: ncsi↗2020-11-26
▶
CVEList
CVE-2020-29129: ncsi↗2020-11-26
▶

📋Vendor Advisories

3
Ubuntu
libslirp vulnerabilities↗2021-07-15
▶
Red Hat
QEMU: slirp: out-of-bounds access while processing ARP/NCSI packets↗2020-11-26
▶
Debian
CVE-2020-29129: libslirp - ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read...↗2020
▶
CVE-2020-29129 — Out-of-bounds Read in Project Libslirp | cvebase