Vulnerability Name: | CVE-2020-24387 (CCN-190415) | ||||||||||||
Assigned: | 2020-10-19 | ||||||||||||
Published: | 2020-10-19 | ||||||||||||
Updated: | 2021-07-21 | ||||||||||||
Summary: | An issue was discovered in the yh_create_session() function of yubihsm-shell through 2.0.2. The function does not explicitly check the returned session id from the device. An invalid session id would lead to out-of-bounds read and write operations in the session array. This could be used by an attacker to cause a denial of service attack. | ||||||||||||
CVSS v3 Severity: | 7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) 6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
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CVSS v2 Severity: | 5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
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Vulnerability Type: | CWE-613 | ||||||||||||
Vulnerability Consequences: | Denial of Service | ||||||||||||
References: | Source: MITRE Type: CNA CVE-2020-24387 Source: MISC Type: Exploit, Third Party Advisory https://blog.inhq.net/posts/yubico-libyubihsm-vuln/ Source: MISC Type: Vendor Advisory https://developers.yubico.com/yubihsm-shell/ Source: XF Type: UNKNOWN yubico-cve202024387-dos(190415) Source: MISC Type: Third Party Advisory https://github.com/Yubico/yubihsm-shell Source: FEDORA Type: Mailing List, Third Party Advisory FEDORA-2020-8afd443d46 Source: CCN Type: Security Advisory YSA-2020-06 Denial of service issues in yubihsm-shell Source: MISC Type: Vendor Advisory https://www.yubico.com/support/security-advisories/ysa-2020-06/ | ||||||||||||
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