Vulnerability · Published Jul 9, 2020 · Assigned by mitre
CVE-2020-13132
Medium 4.3
In plain English
A medium-severity security flaw in the yubico-piv-tool package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)4.3Medium
Exploit odds (30 days)0.6%top 49.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free() in the ykpiv_util_generate_key() function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | yubico-piv-tool | 2.1.1-1 | DEBIAN-CVE-2020-13132 |
| Debian:13 | yubico-piv-tool | 2.1.1-1 | DEBIAN-CVE-2020-13132 |
| Debian:14 | yubico-piv-tool | 2.1.1-1 | DEBIAN-CVE-2020-13132 |
Affected products (as reported)
References
- https://blog.inhq.net/posts/yubico-libykpiv-vuln/ x_refsource_MISC
- https://www.yubico.com/support/security-advisories/ysa-2020-02/ x_refsource_CONFIRM