CVE-2023-6936

Name
CVE-2023-6936
Description
In wolfSSL prior to 5.6.6, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS client or network attacker can trigger a buffer over-read on the heap of 5 bytes (WOLFSSL_CALLBACKS is only intended for debugging).
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
patch https://github.com/wolfSSL/wolfssl/pull/6949/
vendor-advisory https://www.wolfssl.com/docs/security-vulnerabilities/

Match rules

CPE URI Source package Min version Max version
wolfssl >= 0 <= 5.6.5
cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* wolfssl >= None < 5.6.6

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
wolfssl edge-community 5.6.2-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
wolfssl edge-community 5.5.3-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
wolfssl edge-community 5.5.1-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
wolfssl edge-community 5.5.0-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
wolfssl edge-community 5.4.0-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
wolfssl 3.22-community 5.6.2-r0 None fixed
wolfssl 3.22-community 5.5.3-r0 None fixed
wolfssl 3.22-community 5.5.1-r0 None fixed
wolfssl 3.22-community 5.5.0-r0 None fixed
wolfssl 3.22-community 5.4.0-r0 None fixed