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Huawei EulerOS: CVE-2023-2283: libssh security update

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Huawei EulerOS: CVE-2023-2283: libssh security update

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
05/26/2023
Created
08/10/2023
Added
08/09/2023
Modified
01/28/2025

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 this point and the cryptographic verification. Therefore any error between them calls `goto error` returning SSH_OK.

Solution(s)

  • huawei-euleros-2_0_sp9-upgrade-libssh

References

  • https://attackerkb.com/topics/cve-2023-2283
  • CVE - 2023-2283
  • EulerOS-SA-2023-2616
  • 查看数 700
  • 已创建
  • 最后回复

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