CVE-2023-2977

Name
CVE-2023-2977
Description
A vulnerbility was found in OpenSC. This security flaw cause a buffer overrun vulnerability in pkcs15 cardos_have_verifyrc_package. The attacker can supply a smart card package with malformed ASN1 context. The cardos_have_verifyrc_package function scans the ASN1 buffer for 2 tags, where remaining length is wrongly caculated due to moved starting pointer. This leads to possible heap-based buffer oob read. In cases where ASAN is enabled while compiling this causes a crash. Further info leak or more damage is possible.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://github.com/OpenSC/OpenSC/issues/2785
MISC https://access.redhat.com/security/cve/CVE-2023-2977
MISC https://github.com/OpenSC/OpenSC/pull/2787
MISC https://bugzilla.redhat.com/show_bug.cgi?id=2211088
MLIST https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAR54OV6EHA56B4XJF6RNPQ4HJ2ITU66/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJD4Q4AJSGE5UIJI7OUYZY4HGGCVYQNI/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:opensc_project:opensc:0.23.0:-:*:*:*:*:*:* opensc == None == 0.23.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
opensc 3.18-community 0.23.0-r0 Timo Teräs <timo.teras@iki.fi> possibly vulnerable