critical
10
CWE
119
Advisory Published
Updated

CVE-2014-7187: Buffer Overflow

First published: Sun Sep 28 2014(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
GNU Bash=1.14.0
GNU Bash=1.14.1
GNU Bash=1.14.2
GNU Bash=1.14.3
GNU Bash=1.14.4
GNU Bash=1.14.5
GNU Bash=1.14.6
GNU Bash=1.14.7
GNU Bash=2.0
GNU Bash=2.01
GNU Bash=2.01.1
GNU Bash=2.02
GNU Bash=2.02.1
GNU Bash=2.03
GNU Bash=2.04
GNU Bash=2.05
GNU Bash=2.05-a
GNU Bash=2.05-b
GNU Bash=3.0
GNU Bash=3.0.16
GNU Bash=3.1
GNU Bash=3.2
GNU Bash=3.2.48
GNU Bash=4.0
GNU Bash=4.0-rc1
GNU Bash=4.1
GNU Bash=4.2
GNU Bash=4.3

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2014-7187?

    CVE-2014-7187 is classified as a denial of service vulnerability due to its potential to cause application crashes.

  • How do I fix CVE-2014-7187?

    To fix CVE-2014-7187, update GNU Bash to a version that is patched for this vulnerability, specifically version 4.3 or later.

  • Which versions of GNU Bash are affected by CVE-2014-7187?

    CVE-2014-7187 affects GNU Bash versions up to and including 4.3.

  • What types of attacks can exploit CVE-2014-7187?

    CVE-2014-7187 can be exploited by an attacker through deeply nested for loops, leading to out-of-bounds array access.

  • Is user interaction required to exploit CVE-2014-7187?

    No user interaction is required to exploit CVE-2014-7187 as it can be triggered remotely.

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