CVE-2023-23009 — Uncontrolled Resource Consumption in Libreswan

CWE-400 — Uncontrolled Resource ConsumptionCWE-20 — Improper Input Validation6 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.4%
top 36.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LibreswanDebian LibreswanDebian Linux
Timeline
PublishedFeb 21

Description

Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/libreswan< libreswan 4.9-2 (bookworm)
▶Debianlibreswan/libreswan< 4.3-1+deb11u3+3

Also affects: Debian Linux 11.0

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-3gxg-hfhr-6g9x: Libreswan 4↗2023-02-21
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CVEList
CVE-2023-23009: Libreswan 4↗2023-02-21
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OSV
CVE-2023-23009: Libreswan 4↗2023-02-21
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📋Vendor Advisories

2
Red Hat
libreswan: remote DoS via crafted TS payload with an incorrect selector length↗2023-02-21
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Debian
CVE-2023-23009: libreswan - Libreswan 4.9 allows remote attackers to cause a denial of service (assert failu...↗2023
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