REDHAT-BUG-1437367: Buffer Overflow
First published: Thu Mar 30 2017(Updated: )
A stack-based buffer overflow flaw was found in PCRE. An attacker could use a crafted file that, when processed by PCRE, would crash the application using the PCRE library. This issue only affects the PCRE version 8.40.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PCRE |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1437368
- https://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/
- https://bugs.exim.org/show_bug.cgi?id=2055
- https://access.redhat.com/security/cve/CVE-2017-7244
- https://access.redhat.com/security/cve/CVE-2017-7246
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1437484
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1437486
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1437487
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1437483
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1437485
- https://access.redhat.com/errata/RHSA-2018:2486
- https://bugzilla.redhat.com/show_bug.cgi?id=1437367
Frequently Asked Questions
What is the severity of REDHAT-BUG-1437367?
The severity of REDHAT-BUG-1437367 is critical due to the potential for remote code execution via a stack-based buffer overflow.
How do I fix REDHAT-BUG-1437367?
To fix REDHAT-BUG-1437367, upgrade to a version of PCRE that is higher than 8.40.
What application is affected by REDHAT-BUG-1437367?
The application affected by REDHAT-BUG-1437367 is any software that uses the PCRE library version 8.40.
Can REDHAT-BUG-1437367 lead to a denial of service?
Yes, exploitation of REDHAT-BUG-1437367 can lead to a denial of service by crashing the application utilizing the PCRE library.
What type of vulnerability is REDHAT-BUG-1437367?
REDHAT-BUG-1437367 is classified as a stack-based buffer overflow vulnerability.
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