CVE-2013-2944

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-05-02 · updated 2026-06-16
Weakness: CWE-287

Description

strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification, allows remote attackers to authenticate as other users via an invalid signature.

Affected products

strongSwan: 4.3.5, 4.3.6, 4.3.7, 4.4.0, 4.4.1, 4.5.0 (+11)

References

http://download.strongswan.org/patches/10_openssl_ecdsa_signature_patch/strongswan-4.3.5-5.0.3_openssl_ecdsa_signature.patch
http://lists.opensuse.org/opensuse-updates/2013-05/msg00014.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00010.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00121.html
http://www.debian.org/security/2013/dsa-2665
http://www.securityfocus.com/bid/59580
http://www.strongswan.org/blog/2013/04/30/strongswan-5.0.4-released-%28cve-2013-2944%29.html
http://download.strongswan.org/patches/10_openssl_ecdsa_signature_patch/strongswan-4.3.5-5.0.3_openssl_ecdsa_signature.patch
http://lists.opensuse.org/opensuse-updates/2013-05/msg00014.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00010.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00121.html
http://www.debian.org/security/2013/dsa-2665

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