The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows
    attackers to bypass authentication via multiple authentication requests, which trigger the password hash
    to be overwritten. (CVE-2013-1895)

Fix for CVE-2013-1895: py-bcrypt <0.3 contains a concurrency bug that could result in auth bypass.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
418585	SCA: security update for py-bcrypt (GHSA-r838-q6jp-58xx)	Tenable Cloud Security	SCA Checks	high
418585	SCA: security update for py-bcrypt (GHSA-r838-q6jp-58xx)	Tenable Self-Hosted Container Security	SCA Checks	high
65814	Fedora 18 : py-bcrypt-0.3-1.fc18 (2013-4447)	Nessus	Fedora Local Security Checks	medium
65813	Fedora 17 : py-bcrypt-0.3-1.fc17 (2013-4424)	Nessus	Fedora Local Security Checks	medium

Detections

Analytics

CVE-2013-1895

high

Tenable Plugins

high

high

medium

medium