PT-2009-4413 · Strongswan · Strongswan

Published 2009-06-06 · Updated 2009-10-14 · CVE-2009-1957

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions: strongSWAN versions prior to 4.3.1

Description: The issue allows remote attackers to cause a denial of service, resulting in a crash due to a NULL pointer dereference. This occurs when an invalid IKE SA INIT request is sent, triggering an incomplete state, followed by a CREATE CHILD SA request.

Recommendations: For versions prior to 4.3.1, update to version 4.3.1 or later to resolve the issue.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2009-1957

DSA-1899-1

Affected Products

Strongswan

References · 14

• https://security-tracker.debian.org/tracker/CVE-2009-1957 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2009-1957 · Vendor Advisory
• http://download.strongswan.org/patches/03_invalid_ike_state_patch/strongswan-4.x.x_invalid_ike_state.patch · Patch
• http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2009-1957 · Security Note
• https://osv.dev/vulnerability/CVE-2009-1957 · Vendor Advisory
• http://debian.org/security/2009/dsa-1899 · Vendor Advisory
• http://download.strongswan.org/CHANGES4.txt · Patch
• http://download.strongswan.org/patches/03_invalid_ike_state_patch/strongswan-4.x.x_invalid_ike_state.readme · Vendor Advisory
• https://lists.strongswan.org/pipermail/users/2009-May/003457.html · Note
• http://secunia.com/advisories/36922 · Note
• http://secunia.com/advisories/35685 · Note
• http://secunia.com/advisories/35296 · Note
• http://securityfocus.com/bid/35178 · Note