Vulnerability Details : CVE-2020-13132
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2020-13132
- cpe:2.3:a:yubico:libykpiv:*:*:*:*:*:*:*:*
- cpe:2.3:a:yubico:piv_tool_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:yubico:yubikey_smart_card_minidriver:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-13132
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 14 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-13132
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
0.7
|
3.6
|
MITRE | |
|
4.6
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
0.9
|
3.6
|
NIST |
CWE ids for CVE-2020-13132
-
The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-13132
-
https://www.yubico.com/support/security-advisories/ysa-2020-02/
Security advisory 2020-07-08 | YubicoVendor Advisory
-
https://blog.inhq.net/posts/yubico-libykpiv-vuln/
Yubico libykpiv vulnerabilities | invd blogExploit;Third Party Advisory
Jump to