CVE-2011-4576

Description

The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.97% Top 25%
Vendor Advisory hp.com Vendor Advisory opensuse.org Vendor Advisory mandriva.com Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory marc.info Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory debian.org Vendor Advisory openssl.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/48528 third party advisory
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00017.html vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:006 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html vendor advisory
http://www.openssl.org/news/secadv_20120104.txt vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00018.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1308.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1307.html vendor advisory
http://support.apple.com/kb/HT5784
http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html vendor advisory
http://www.kb.cert.org/vuls/id/737740 third party advisory us government resource
http://marc.info/?l=bugtraq&m=132750648501816&w=2 vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:007 vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1306.html vendor advisory
http://marc.info/?l=bugtraq&m=134039053214295&w=2 vendor advisory
http://secunia.com/advisories/57353 third party advisory
http://marc.info/?l=bugtraq&m=133951357207000&w=2 vendor advisory
http://www.debian.org/security/2012/dsa-2390 vendor advisory
http://secunia.com/advisories/55069 third party advisory
http://aix.software.ibm.com/aix/efixes/security/openssl_advisory3.asc

Frequently Asked Questions

What is the severity of CVE-2011-4576?
CVE-2011-4576 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4576?
To fix CVE-2011-4576, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4576 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4576 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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