CVE-2015-8387: Integer Overflow
First published: Wed Dec 02 2015(Updated: )
PCRE before 8.38 mishandles (?123) subroutine calls and related subroutine calls, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | <7.0.3 | 7.0.3 |
| PCRE (Perl Compatible Regular Expressions) | <=8.37 | |
| Red Hat Fedora | =22 | |
| PHP | >=5.5.0<5.5.32 | |
| PHP | >=5.6.0<5.6.18 | |
| PHP | >=7.0.0<7.0.3 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
- http://www.openwall.com/lists/oss-security/2015/11/29/1
- http://www.securityfocus.com/bid/82990
- https://bto.bluecoat.com/security-advisory/sa128
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://security.gentoo.org/glsa/201607-02
- https://security.netapp.com/advisory/ntap-20230216-0002/
- https://www.php.net/ChangeLog-7.php#7.0.3 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2015-8387?
CVE-2015-8387 is categorized as a denial of service vulnerability due to integer overflow, allowing remote attackers to exploit the flaw.
How do I fix CVE-2015-8387?
To mitigate CVE-2015-8387, upgrade to PCRE version 8.38 or later.
Which software versions are affected by CVE-2015-8387?
CVE-2015-8387 affects PCRE versions prior to 8.38, several PHP versions, and Fedora 22.
What are the potential impacts of CVE-2015-8387?
CVE-2015-8387 can lead to denial of service and possibly other unspecified impacts when exploited via crafted regular expressions.
Can CVE-2015-8387 be exploited through web applications?
Yes, CVE-2015-8387 can be exploited in web applications that utilize vulnerable versions of PCRE in their regular expression handling.
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