Vulnerability in Xelerance Openswan
CVE-2011-4073
Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote authenticated users to cause a denial of service (pluto IKE daemon crash) via vectors related to the (1) quick_outI1_continue and (2) quick_outI1 functions.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.0 (Medium). Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.021 (80.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Xelerance Openswan — versions 2.3.0, 2.3.1, 2.4.0
Weakness classification (CWE)
References
- secunia.com/advisories/47342 (Vendor Advisory, third-party-advisory)
- www.securityfocus.com/bid/50440 (vdb-entry)
- www.debian.org/security/2011/dsa-2374 (vendor-advisory)
- secunia.com/advisories/46678 (Vendor Advisory, third-party-advisory)
- www.openswan.org/download/CVE-2011-4073/CVE-2011-4073.txt
- www.redhat.com/support/errata/RHSA-2011-1422.html (vendor-advisory)
- www.securitytracker.com/id (vdb-entry)
- secunia.com/advisories/46681 (Vendor Advisory, third-party-advisory)