Permissions, Privileges, and Access Controls in OpenSSL - CVE-2011-3207
Published: September 22, 2011 / Updated: July 28, 2020
Vulnerability identifier: #VU32855
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-3207
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
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 software
OpenSSL
Amazon Linux AMI
openssl (Alpine package)
Amazon Linux AMI
openssl (Alpine package)
How to mitigate CVE-2011-3207
Install update from vendor's website.
OpenSSL - update to 1.0.0e
openssl (Alpine package) - update to 1.0.0e-r0
openssl (Alpine package) - update to 1.0.0e-r0
External 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.mandriva.com/security/advisories?name=MDVSA-2011:137
- http://www.redhat.com/support/errata/RHSA-2011-1409.html
- http://www.securitytracker.com/id?1026012
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
- https://bugzilla.redhat.com/show_bug.cgi?id=736087