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CVE-2015-4155

3.6 · LOW

GNU Parallel before 20150422, when using (1) --pipe, (2) --tmux, (3) --cat, (4) --fifo, or (5) --compress, allows local users to write to arbitrary files via a symlink attack on a temporary file.

Published Jun 2, 2015gnuCWE-59EPSS 0.37%

Overview

CVE-2015-4155 is a low-severity vulnerability affecting gnu parallel. It was published on June 2, 2015 and has a CVSS 2.0 base score of 3.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 3.6, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

GNU Parallel before 20150422, when using (1) --pipe, (2) --tmux, (3) --cat, (4) --fifo, or (5) --compress, allows local users to write to arbitrary files via a symlink attack on a temporary file.

Remediation

Check the references section for vendor advisories and patches from gnu. Update parallel to the latest patched version. 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.

Affected products

VendorProductVersionsStatus
gnuparallel0Affected

References

Reflists.gnu.org/archive/html/parallel/2015-04/msg00045.htmlReflists.gnu.org/archive/html/parallel/2015-05/msg00024.htmlRefwww.securityfocus.com/bid/74962Reflists.gnu.org/archive/html/parallel/2015-04/msg00045.htmlReflists.gnu.org/archive/html/parallel/2015-05/msg00024.htmlRefwww.securityfocus.com/bid/74962

How CyberStrike helps

Frequently asked questions

What is CVE-2015-4155?

CVE-2015-4155 is a low-severity vulnerability affecting gnu parallel. It was published on June 2, 2015 and has a CVSS 2.0 base score of 3.6 (LOW).

How severe is CVE-2015-4155?

This vulnerability has a CVSS 2.0 base score of 3.6, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-4155?

Check the references section for vendor advisories and patches from gnu. Update parallel to the latest patched version. 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-2015-4155?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-4155 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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