CVE-2020-22218 — Out-of-bounds Write in Libssh2

CWE-787 — Out-of-bounds WriteCWE-125 — Out-of-bounds Read10 documents9 sources
Severity
7.5HIGHNVD
EPSS
0.1%
top 76.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Libssh2Debian Libssh2Msrc Cbl2 Libssh2 1.9.0-3 ON CBL Mariner 2.0+2 more
Timeline
PublishedAug 22
Latest updateApr 15

Description

An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages6 packages

▶debiandebian/libssh2< libssh2 1.10.0-2 (bookworm)
▶Debianlibssh2/libssh2< 1.9.0-2+deb11u1+3
▶NVDlibssh2/libssh21.10.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2020-22218: An issue was discovered in function _libssh2_packet_add in libssh2 1↗2023-08-22
▶
GHSA
GHSA-4wvm-v4fc-prp5: An issue was discovered in function _libssh2_packet_add in libssh2 1↗2023-08-22
▶

📋Vendor Advisories

7
CISA ICS
ABB M2M Gateway↗2025-04-15
▶
Oracle
Oracle Oracle PeopleSoft Risk Matrix: File Processing (libssh2) — CVE-2020-22218↗2025-01-15
▶
CISA ICS
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1↗2023-12-14
▶
Ubuntu
libssh2 vulnerability↗2023-09-14
▶
Red Hat
libssh2: use-of-uninitialized-value in _libssh2_transport_read↗2023-08-22
▶