CVE-2017-7244: Input Validation
First published: Thu Mar 23 2017(Updated: )
An invalid memory read 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PCRE (Perl Compatible Regular Expressions) | =8.40 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://www.cve.org/CVERecord?id=CVE-2017-7244 https://nvd.nist.gov/vuln/detail/CVE-2017-7244 https://blogs.gentoo.org/ago/2017/03/20/libpcre-invalid-memory-read-in-_pcre32_xclass-pcre_xclass-c/
- https://bugzilla.redhat.com/show_bug.cgi?id=1437364
- https://access.redhat.com/errata/RHSA-2018:2486
- https://access.redhat.com/security/cve/CVE-2017-7244
- http://www.securityfocus.com/bid/97067
- https://blogs.gentoo.org/ago/2017/03/20/libpcre-invalid-memory-read-in-_pcre32_xclass-pcre_xclass-c/
- https://security.gentoo.org/glsa/201710-25
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1437365
- https://bugs.exim.org/show_bug.cgi?id=2054
- https://bugs.exim.org/show_bug.cgi?id=2052
- 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
Frequently Asked Questions
What is the severity of CVE-2017-7244?
CVE-2017-7244 has a severity rating of High due to its potential for causing denial of service.
How do I fix CVE-2017-7244?
To fix CVE-2017-7244, upgrade to PCRE version 8.41 or later which addresses the invalid memory read flaw.
What types of applications are affected by CVE-2017-7244?
Applications that utilize the PCRE library, specifically versions prior to 8.41, are vulnerable to CVE-2017-7244.
Can CVE-2017-7244 be exploited remotely?
Yes, CVE-2017-7244 can be exploited remotely by attackers using crafted input files.
What is the potential impact of CVE-2017-7244?
The potential impact of CVE-2017-7244 includes application crashes leading to denial of service.
- collector/redhat-cve
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2017-7244
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/severity
- agent/weakness
- agent/last-modified-date
- agent/event
- agent/description
- agent/trending
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/pcre
- canonical/pcre (perl compatible regular expressions)
- version/pcre (perl compatible regular expressions)/8.40