CVE-2015-8935: XSS
First published: Sun Aug 07 2016(Updated: )
The sapi_header_op function in main/SAPI.c in PHP before 5.4.38, 5.5.x before 5.5.22, and 5.6.x before 5.6.6 supports deprecated line folding without considering browser compatibility, which allows remote attackers to conduct cross-site scripting (XSS) attacks against Internet Explorer by leveraging (1) %0A%20 or (2) %0D%0A%20 mishandling in the header function.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | <=5.4.37 | |
| PHP | =5.5.0 | |
| PHP | =5.5.0-alpha1 | |
| PHP | =5.5.0-alpha2 | |
| PHP | =5.5.0-alpha3 | |
| PHP | =5.5.0-alpha4 | |
| PHP | =5.5.0-alpha5 | |
| PHP | =5.5.0-alpha6 | |
| PHP | =5.5.0-beta1 | |
| PHP | =5.5.0-beta2 | |
| PHP | =5.5.0-beta3 | |
| PHP | =5.5.0-beta4 | |
| PHP | =5.5.0-rc1 | |
| PHP | =5.5.0-rc2 | |
| PHP | =5.5.1 | |
| PHP | =5.5.2 | |
| PHP | =5.5.3 | |
| PHP | =5.5.4 | |
| PHP | =5.5.5 | |
| PHP | =5.5.6 | |
| PHP | =5.5.7 | |
| PHP | =5.5.8 | |
| PHP | =5.5.9 | |
| PHP | =5.5.10 | |
| PHP | =5.5.11 | |
| PHP | =5.5.12 | |
| PHP | =5.5.13 | |
| PHP | =5.5.14 | |
| PHP | =5.5.18 | |
| PHP | =5.5.19 | |
| PHP | =5.5.20 | |
| PHP | =5.5.21 | |
| PHP | =5.6.0-alpha1 | |
| PHP | =5.6.0-alpha2 | |
| PHP | =5.6.0-alpha3 | |
| PHP | =5.6.0-alpha4 | |
| PHP | =5.6.0-alpha5 | |
| PHP | =5.6.0-beta1 | |
| PHP | =5.6.0-beta2 | |
| PHP | =5.6.0-beta3 | |
| PHP | =5.6.0-beta4 | |
| PHP | =5.6.1 | |
| PHP | =5.6.2 | |
| PHP | =5.6.3 | |
| PHP | =5.6.4 | |
| PHP | =5.6.5 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.openwall.com/lists/oss-security/2016/06/20/3
- https://bugs.php.net/bug.php?id=68978
- https://github.com/php/php-src/commit/996faf964bba1aec06b153b370a7f20d3dd2bb8b?w=1
Frequently Asked Questions
What is the severity of CVE-2015-8935?
CVE-2015-8935 is classified as a high severity vulnerability due to its potential for cross-site scripting (XSS) attacks.
How do I fix CVE-2015-8935?
To fix CVE-2015-8935, upgrade PHP to version 5.4.38, 5.5.22, or 5.6.6 or later.
Which versions of PHP are affected by CVE-2015-8935?
CVE-2015-8935 affects PHP versions before 5.4.38, 5.5.x before 5.5.22, and 5.6.x before 5.6.6.
What types of attacks can be conducted using CVE-2015-8935?
CVE-2015-8935 allows remote attackers to conduct cross-site scripting (XSS) attacks against Internet Explorer.
Is CVE-2015-8935 a concerning vulnerability for web applications?
Yes, CVE-2015-8935 poses a significant threat to web applications that use vulnerable PHP versions, particularly affecting users of Internet Explorer.
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