CVE-2023-2283 — Improper Authentication in Libssh
Severity
6.5MEDIUMNVD
EPSS
0.2%
top 60.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 26
Latest updateApr 15
Description
A vulnerability was found in libssh, where the authentication check of the connecting client can be bypassed in the`pki_verify_data_signature` function in memory allocation problems. This issue may happen if there is insufficient memory or the memory usage is limited. The problem is caused by the return value `rc,` which is initialized to SSH_ERROR and later rewritten to save the return value of the function call `pki_key_check_hash_compatible.` The value of the variable is not changed between t…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.5
Affected Packages4 packages
Also affects: Fedora 37, Enterprise Linux 8.0, 9.0
🔴Vulnerability Details
4OSV▶
CVE-2023-2283: A vulnerability was found in libssh, where the authentication check of the connecting client can be bypassed in the`pki_verify_data_signature` functio↗2023-05-26
CVEList▶
CVE-2023-2283: A vulnerability was found in libssh, where the authentication check of the connecting client can be bypassed in the`pki_verify_data_signature` functio↗2023-05-26
GHSA▶
GHSA-h9jw-g3xj-5hwg: A vulnerability was found in libssh, where the authentication check of the connecting client can be bypassed in the`pki_verify_data_signature` functio↗2023-05-26
📋Vendor Advisories
6Oracle
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Oracle
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