CVE-2010-2094
First published: Fri May 14 2010(Updated: )
Common Vulnerabilities and Exposures assigned an identifier <a href="https://access.redhat.com/security/cve/CVE-2010-2094">CVE-2010-2094</a> to the following vulnerability: Multiple format string vulnerabilities in the phar extension in PHP 5.3 before 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) and possibly execute arbitrary code via a crafted phar:// URI that is not properly handled by the (1) phar_stream_flush, (2) phar_wrapper_unlink, (3) phar_parse_url, or (4) phar_wrapper_open_url functions in ext/phar/stream.c; and the (5) phar_wrapper_open_dir function in ext/phar/dirstream.c, which triggers errors in the php_stream_wrapper_log_error function. References: [1] <a href="http://php-security.org/2010/05/14/mops-2010-024-php-phar_stream_flush-format-string-vulnerability/index.html">http://php-security.org/2010/05/14/mops-2010-024-php-phar_stream_flush-format-string-vulnerability/index.html</a> [2] <a href="http://php-security.org/2010/05/14/mops-2010-025-php-phar_wrapper_open_dir-format-string-vulnerability/index.html">http://php-security.org/2010/05/14/mops-2010-025-php-phar_wrapper_open_dir-format-string-vulnerability/index.html</a> [3] <a href="http://php-security.org/2010/05/14/mops-2010-026-php-phar_wrapper_unlink-format-string-vulnerability/index.html">http://php-security.org/2010/05/14/mops-2010-026-php-phar_wrapper_unlink-format-string-vulnerability/index.html</a> [4] <a href="http://php-security.org/2010/05/14/mops-2010-027-php-phar_parse_url-format-string-vulnerabilities/index.html">http://php-security.org/2010/05/14/mops-2010-027-php-phar_parse_url-format-string-vulnerabilities/index.html</a> [5] <a href="http://php-security.org/2010/05/14/mops-2010-028-php-phar_wrapper_open_url-format-string-vulnerabilities/index.html">http://php-security.org/2010/05/14/mops-2010-028-php-phar_wrapper_open_url-format-string-vulnerabilities/index.html</a> Public PoC (from [1]): $ php -r "fopen('phar:///usr/bin/phar.phar/*%08x-%08x-%08x-%08x-%08x-%08x-%08x-%08x-%08x','r');" Credit: All flaws discovered by Stefan Esser.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/php | <5.3.3 | 5.3.3 |
| PHP PHP | =5.3.1 | |
| PHP PHP | =5.3.0 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2010-2094
- http://php-security.org/2010/05/14/mops-2010-024-php-phar_stream_flush-format-string-vulnerability/index.html
- http://php-security.org/2010/05/14/mops-2010-025-php-phar_wrapper_open_dir-format-string-vulnerability/index.html
- http://php-security.org/2010/05/14/mops-2010-026-php-phar_wrapper_unlink-format-string-vulnerability/index.html
- http://php-security.org/2010/05/14/mops-2010-027-php-phar_parse_url-format-string-vulnerabilities/index.html
- http://php-security.org/2010/05/14/mops-2010-028-php-phar_wrapper_open_url-format-string-vulnerabilities/index.html
- http://svn.php.net/viewvc?view=revision&revision=298667
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=598537#c4
- http://svn.php.net/viewvc?view=revision&revision=302565
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=598537#c7
- https://access.redhat.com/security/cve/CVE-2010-2950
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=835024
- https://bugzilla.redhat.com/show_bug.cgi?id=598537
- https://www.cve.org/CVERecord?id=CVE-2010-2094 https://nvd.nist.gov/vuln/detail/CVE-2010-2094
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
- http://www.vupen.com/english/advisories/2011/0068
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:004
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