CVE-2012-2333

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 27.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-05-14 · updated 2026-06-16
Weakness: CWE-189

Description

Integer underflow in OpenSSL before 0.9.8x, 1.0.0 before 1.0.0j, and 1.0.1 before 1.0.1c, when TLS 1.1, TLS 1.2, or DTLS is used with CBC encryption, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted TLS packet that is not properly handled during a certain explicit IV calculation.

Affected products

OpenSSL: through 0.9.8w; 0.9.1c, 0.9.2b, 0.9.3, 0.9.3a, 0.9.4, 0.9.5 (+89)
RedHat Openssl: 0.9.6-15, 0.9.6b-3, 0.9.7a-2

References

http://cvs.openssl.org/chngview?cn=22538
http://cvs.openssl.org/chngview?cn=22547
http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/081460.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00019.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00020.html
http://marc.info/?l=bugtraq&m=134919053717161&w=2
http://marc.info/?l=bugtraq&m=136432043316835&w=2
http://rhn.redhat.com/errata/RHSA-2012-0699.html
http://rhn.redhat.com/errata/RHSA-2012-1306.html
http://rhn.redhat.com/errata/RHSA-2012-1307.html

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