CVE-2007-2844

Summary

CVECVE-2007-2844
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2007-05-24 18:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionPHP 4.x and 5.x before 5.2.1, when running on multi-threaded systems, does not ensure thread safety for libc crypt function calls using protection schemes such as a mutex, which creates race conditions that allow remote attackers to overwrite internal program memory and gain system access.

Risk And Classification

Primary CVSS: v2.0 9.3 from [email protected]

AV:N/AC:M/Au:N/C:C/I:C/A:C

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Php Php 4.0 All All All
Application Php Php 4.0 beta1 All All
Application Php Php 4.0 beta2 All All
Application Php Php 4.0 beta3 All All
Application Php Php 4.0 beta4 All All
Application Php Php 4.0 beta_4_patch1 All All
Application Php Php 4.0 rc1 All All
Application Php Php 4.0 rc2 All All
Application Php Php 4.0.0 All All All
Application Php Php 4.0.1 All All All
Application Php Php 4.0.1 patch1 All All
Application Php Php 4.0.1 patch2 All All
Application Php Php 4.0.2 All All All
Application Php Php 4.0.3 All All All
Application Php Php 4.0.3 patch1 All All
Application Php Php 4.0.4 All All All
Application Php Php 4.0.4 patch1 All All
Application Php Php 4.0.5 All All All
Application Php Php 4.0.6 All All All
Application Php Php 4.0.7 All All All
Application Php Php 4.0.7 rc1 All All
Application Php Php 4.0.7 rc2 All All
Application Php Php 4.0.7 rc3 All All
Application Php Php 4.1.0 All All All
Application Php Php 4.1.1 All All All
Application Php Php 4.1.2 All All All
Application Php Php 4.2.0 All All All
Application Php Php 4.2.1 All All All
Application Php Php 4.2.2 All All All
Application Php Php 4.2.3 All All All
Application Php Php 4.3.0 All All All
Application Php Php 4.3.1 All All All
Application Php Php 4.3.10 All All All
Application Php Php 4.3.11 All All All
Application Php Php 4.3.2 All All All
Application Php Php 4.3.3 All All All
Application Php Php 4.3.4 All All All
Application Php Php 4.3.5 All All All
Application Php Php 4.3.6 All All All
Application Php Php 4.3.7 All All All
Application Php Php 4.3.8 All All All
Application Php Php 4.3.9 All All All
Application Php Php 4.4.0 All All All
Application Php Php 4.4.1 All All All
Application Php Php 4.4.2 All All All
Application Php Php 4.4.3 All All All
Application Php Php 4.4.4 All All All
Application Php Php 4.4.5 All All All
Application Php Php 4.4.6 All All All
Application Php Php 5.0 rc1 All All
Application Php Php 5.0 rc2 All All
Application Php Php 5.0 rc3 All All
Application Php Php 5.0.0 All All All
Application Php Php 5.0.0 beta1 All All
Application Php Php 5.0.0 beta2 All All
Application Php Php 5.0.0 beta3 All All
Application Php Php 5.0.0 beta4 All All
Application Php Php 5.0.0 rc1 All All
Application Php Php 5.0.0 rc2 All All
Application Php Php 5.0.0 rc3 All All
Application Php Php 5.0.1 All All All
Application Php Php 5.0.2 All All All
Application Php Php 5.0.3 All All All
Application Php Php 5.0.4 All All All
Application Php Php 5.0.5 All All All
Application Php Php 5.1.0 All All All
Application Php Php 5.1.1 All All All
Application Php Php 5.1.2 All All All
Application Php Php 5.1.3 All All All
Application Php Php 5.1.4 All All All
Application Php Php 5.1.5 All All All
Application Php Php 5.1.6 All All All
Application Php Php 5.2.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
PHP Crypt Function Authentication Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
osvdb.org/36088 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
PHP crypt() Race Condition Vulnerability - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Suhosin 0.9.20 and crypt() Thread Safety Vulnerability - PHP Security Blog af854a3a-2127-422b-91ae-364da2661108 blog.php-security.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2007-05-29Mark J CoxNot vulnerable. PHP is not built or supported in a multi-threaded environment in the packages distributed in Red Hat Enterprise Linux or Application Stack.

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