CVE-2009-1958 — Strongswan vulnerability

CWE-3994 documents4 sources
Severity
5.0MEDIUMNVD
EPSS
1.7%
top 17.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
StrongswanDebian Strongswan
Timeline
PublishedJun 8
Latest updateMay 2

Description

charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKE_AUTH request without a (1) TSi or (2) TSr traffic selector.

CVSS vector

AV:N/AC:L/C:N/I:N/A:PExploitability: 10.0 | Impact: 2.9

Affected Packages3 packages

▶debiandebian/strongswan< strongswan 4.2.14-1.1 (bookworm)
▶Debianstrongswan/strongswan< 4.2.14-1.1+3
▶NVDstrongswan/strongswan4.2.9+79

Patches

Patch: download.strongswan.org ↗Patch: download.strongswan.org ↗Patch: download.strongswan.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-pm9j-fmr9-h964: charon/sa/tasks/child_create↗2022-05-02
▶
OSV
CVE-2009-1958: charon/sa/tasks/child_create↗2009-06-08
▶

📋Vendor Advisories

1
Debian
CVE-2009-1958: strongswan - charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 s...↗2009
▶