Vulnerability in Strongswan
CVE-2009-2661
The asn1_length function in strongSwan 2.8 before 2.8.11, 4.2 before 4.2.17, and 4.3 before 4.3.3 does not properly handle X.509 certificates with crafted Relative Distinguished Names (RDNs), which allows remote attackers to cause a denial of service (pluto IKE daemon crash) via malformed ASN.1 data. NOTE: this is due to an incomplete fix for CVE-2009-2185.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.016 (74.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Strongswan — versions 2.8.0, 2.8.1, 2.8.2
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2009/07/27/1 (mailing-list)
- download.strongswan.org/patches/07_asn1_length_patch/strongswan-4.x.x_asn1_leng… (Patch)
- lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html (vendor-advisory)
- secunia.com/advisories/36922 (third-party-advisory)
- www.debian.org/security/2009/dsa-1899 (vendor-advisory)
- www.vupen.com/english/advisories/2009/2247 (vdb-entry)
- up2date.astaro.com/2009/08/up2date_7505_released.html
- lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html (vendor-advisory)
- download.strongswan.org/patches/07_asn1_length_patch/strongswan-4.3.x_asn1_leng…
- lists.strongswan.org/pipermail/announce/2009-July/000056.html (mailing-list, Patch)