Incorrect Permission Assignment for Critical Resource Affecting pam_ssh_agent_auth package, versions <0:0.10.3-2.16.el7


Severity

Recommended
low

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.36% (73rd percentile)

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  • Snyk IDSNYK-ORACLE7-PAMSSHAGENTAUTH-2525153
  • published10 Apr 2022
  • disclosed26 Oct 2017

Introduced: 26 Oct 2017

CVE-2017-15906  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

Upgrade Oracle:7 pam_ssh_agent_auth to version 0:0.10.3-2.16.el7 or higher.
This issue was patched in ELSA-2018-0980.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pam_ssh_agent_auth package and not the pam_ssh_agent_auth package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.

CVSS Base Scores

version 3.1