CVE-2010-4523

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-01-07 · updated 2026-06-16
Weakness: CWE-119

Description

Multiple stack-based buffer overflows in libopensc in OpenSC 0.11.13 and earlier allow physically proximate attackers to execute arbitrary code via a long serial-number field on a smart card, related to (1) card-acos5.c, (2) card-atrust-acos.c, and (3) card-starcos.c.

Affected products

Opensc-Project Opensc: through 0.11.13; 0.3.2, 0.3.5, 0.4.0, 0.5.0, 0.6.0, 0.6.1 (+31)

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607427
http://labs.mwrinfosecurity.com/files/Advisories/mwri_opensc-get-serial-buffer-overflow_2010-12-13.pdf
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052777.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052796.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://openwall.com/lists/oss-security/2010/12/21/2
http://openwall.com/lists/oss-security/2010/12/22/3
http://secunia.com/advisories/42658
http://secunia.com/advisories/42807
http://secunia.com/advisories/43068
http://www.h-online.com/open/news/item/When-a-smart-card-can-root-your-computer-1154829.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:011

Get alerted when CVE-2010-4523 or the next vulnerability affects your stack