REDHAT-BUG-1437369: 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=1437370
- 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=2057
- https://access.redhat.com/security/cve/CVE-2017-7244
- https://access.redhat.com/security/cve/CVE-2017-7245
- 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=1437369
Frequently Asked Questions
What is the severity of REDHAT-BUG-1437369?
The severity of REDHAT-BUG-1437369 is critical due to the potential for application crashes from a stack-based buffer overflow.
How does the vulnerability REDHAT-BUG-1437369 affect PCRE?
REDHAT-BUG-1437369 affects PCRE by allowing attackers to exploit a crafted file that can crash applications using the PCRE library.
Which version of PCRE is affected by REDHAT-BUG-1437369?
REDHAT-BUG-1437369 specifically affects PCRE version 8.40.
How can I mitigate the risk of REDHAT-BUG-1437369?
To mitigate the risk of REDHAT-BUG-1437369, upgrade to a patched version of the PCRE library that addresses this buffer overflow vulnerability.
What could be the consequences of exploiting REDHAT-BUG-1437369?
Exploiting REDHAT-BUG-1437369 could lead to application crashes and potential denial of service for systems using the vulnerable PCRE library.
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