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CVE-2015-9542

7.5 · HIGH

add_password in pam_radius_auth.c in pam_radius 1.4.0 does not correctly check the length of the input password, and is vulnerable to a stack-based buffer overflow during memcpy().

Published Feb 24, 2020CWE-787EPSS 3.47%

Overview

CVE-2015-9542 is a high-severity vulnerability. It was published on February 24, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

add_password in pam_radius_auth.c in pam_radius 1.4.0 does not correctly check the length of the input password, and is vulnerable to a stack-based buffer overflow during memcpy(). An attacker could send a crafted password to an application (loading the pam_radius library) and crash it. Arbitrary code execution might be possible, depending on the application, C library, compiler, and other factors.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2015-9542GitHubgithub.com/FreeRADIUS/pam_radius/commit/01173ec2426627dbb1e0d96c06c3ffa0b14d36d0Reflists.debian.org/debian-lts-announce/2020/02/msg00023.htmlReflists.debian.org/debian-lts-announce/2020/08/msg00000.htmlRefusn.ubuntu.com/4290-1/Refusn.ubuntu.com/4290-2/Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2015-9542GitHubgithub.com/FreeRADIUS/pam_radius/commit/01173ec2426627dbb1e0d96c06c3ffa0b14d36d0Reflists.debian.org/debian-lts-announce/2020/02/msg00023.htmlReflists.debian.org/debian-lts-announce/2020/08/msg00000.html

How CyberStrike helps

Frequently asked questions

What is CVE-2015-9542?

CVE-2015-9542 is a high-severity vulnerability. It was published on February 24, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2015-9542?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-9542?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-9542?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-9542 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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