CVE-2011-3207

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-09-22 · updated 2026-06-16
Weakness: CWE-264

Description

crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value corresponding to a time in the past.

Affected products

OpenSSL: 1.0.0, 1.0.0-beta1, 1.0.0-beta2, 1.0.0-beta3, 1.0.0-beta4, 1.0.0-beta5 (+4)

References

http://cvs.openssl.org/chngview?cn=21349
http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065712.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065744.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html
http://marc.info/?l=bugtraq&m=133226187115472&w=2
http://openssl.org/news/secadv_20110906.txt
http://secunia.com/advisories/45956
http://secunia.com/advisories/57353
http://support.apple.com/kb/HT5784
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
http://www.mandriva.com/security/advisories?name=MDVSA-2011:137

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