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CVE-2009-3558
The posix_mkfifo function in ext/posix/posix.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass…
Medium6.8EPSS 2.1%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The posix_mkfifo function in ext/posix/posix.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass open_basedir restrictions, and create FIFO files, via the pathname and mode arguments, as demonstrated by creating a .htaccess file.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
n/a
- affected n/a
References (19)
- [oss-security] 20091120 Re: CVE request: php 5.3.1 update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 6600 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- http://www.php.net/releases/5_2_12.php (opens in a new tab)x_refsource_CONFIRMx_transferred
- [php-announce] 20091119 5.3.1 Release announcement (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://svn.php.net/viewvc?view=revision&revision=288943 (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDVSA-2009:285 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 37821 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/posix/posix.c?view=log (opens in a new tab)x_refsource_CONFIRMx_transferred
- APPLE-SA-2010-03-29-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- http://www.php.net/ChangeLog-5.php (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://support.apple.com/kb/HT4077 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20091120 CVE request: php 5.3.1 update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.php.net/releases/5_3_1.php (opens in a new tab)x_refsource_CONFIRMx_transferred
- ADV-2009-3593 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- [oss-security] 20091120 Re: CVE request: php 5.3.1 update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 37412 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/ext/posix/posix.c?view=log (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDVSA-2009:302 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- MDVSA-2009:303 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-3558)Record last updated .