Home/CVE/Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows r
CVE

CVE-2011-4073

Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows r

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.

MEDIUM · CVSS 4 EPSS 0.01149
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

1
xelerance openswanall versions
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Scoring & Timeline

4
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:S/C:N/I:N/A:P
Published to NVD17 Nov 2011 · 07:55 PM
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Vendor Advisories

1
rhsaRHSA-2011:1422Moderate
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References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/46678Vendor Advisory
http://secunia.com/advisories/46681Vendor Advisory
http://secunia.com/advisories/47342Vendor Advisory
http://www.debian.org/security/2011/dsa-2374
http://www.openswan.org/download/CVE-2011-4073/CVE-2011-4073.txt
http://www.redhat.com/support/errata/RHSA-2011-1422.html
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