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CVE-2014-7187

10.0 · HIGH

Off-by-one error in the read_token_word function in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash…

Published Sep 28, 2014gnuCWE-119EPSS 58.46%

Overview

CVE-2014-7187 is a high-severity vulnerability affecting gnu bash. It was published on September 28, 2014 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Off-by-one error in the read_token_word function in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via deeply nested for loops, aka the "word_lineno" issue.

Remediation

Check the references section for vendor advisories and patches from gnu. Update bash 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

References

Refjvn.jp/en/jp/JVN55667175/index.htmlRefjvndb.jvn.jp/jvndb/JVNDB-2014-000126Reflists.apple.com/archives/security-announce/2015/Jan/msg00003.htmlReflists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlReflists.opensuse.org/opensuse-security-announce/2014-09/msg00038.htmlReflists.opensuse.org/opensuse-security-announce/2014-09/msg00041.htmlReflists.opensuse.org/opensuse-security-announce/2014-09/msg00042.htmlReflists.opensuse.org/opensuse-security-announce/2014-09/msg00044.htmlReflists.opensuse.org/opensuse-security-announce/2014-09/msg00048.htmlReflists.opensuse.org/opensuse-updates/2014-10/msg00023.html

How CyberStrike helps

Frequently asked questions

What is CVE-2014-7187?

CVE-2014-7187 is a high-severity vulnerability affecting gnu bash. It was published on September 28, 2014 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2014-7187?

This vulnerability has a CVSS 2.0 base score of 10.0, 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-2014-7187?

Check the references section for vendor advisories and patches from gnu. Update bash 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-2014-7187?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-7187 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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