High severity7.5NVD Advisory· Published Oct 19, 2020· Updated Jun 17, 2026
CVE-2020-24388
CVE-2020-24388
Description
An issue was discovered in the _send_secure_msg() function of yubihsm-shell through 2.0.2. The function does not validate the embedded length field of a message received from the device. This could lead to an oversized memcpy() call that will crash the running process. This could be used by an attacker to cause a denial of service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- yubihsm-shell/yubihsm-shelldescription
<=2.0.2+ 1 more
- (no CPE)range: <=2.0.2
- cpe:2.3:a:yubico:yubihsm-shell:*:*:*:*:*:*:*:*range: <=2.0.2
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
4- blog.inhq.net/posts/yubico-libyubihsm-vuln/nvdExploitThird Party Advisory
- developers.yubico.com/yubihsm-shell/nvdVendor Advisory
- www.yubico.com/support/security-advisories/ysa-2020-06/nvdVendor Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y77KQJW76M3PFOBFLBT6DLH2NWHYRNZO/nvd
News mentions
0No linked articles in our index yet.