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    CVE-2009-3294

    The popen API function in TSRM/tsrm_win32.c in PHP before 5.2.11 and 5.3.x before 5.3.1, when running on certain Windows operating systems, allows context-dependent attackers to cause a denial of service (crash) via a crafted (1) "e" or (2) "er" string in the second argument (aka mode), possibly related to the _fdopen function in the Microsoft C runtime library. NOTE: this might not cross privilege boundaries except in rare cases in which the mode argument is accessible to an attacker outside of an application that uses the popen function.

    Published:Sep 22, 2009
    Last Modified:Apr 23, 2026
    EPS:Sep 22, 2009
    EPSS Score:0.01892
    CVSS Score:5

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 7
    Vendor
    Microsoft
    Product
    Windows Server 2008
    Vendor
    Microsoft
    Product
    Windows Xp
    Vendor
    Php
    Product
    Php

    Exploits

    http://bugs.php.net/bug.php?id=44683http://bugs.php.net/bug.php?id=44683

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-135 Format String Injection
    CAPEC-67 String Format Overflow in syslog()

    Related CVEs

    CVE-2023-34367 (CVSS 6.5) — Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in Windows 7 (any Wi…
    CVE-2022-35759 (CVSS 6.5) — Windows Local Security Authority (LSA) Denial of Service Vulnerability…
    CVE-2022-35758 (CVSS 5.5) — Windows Kernel Memory Information Disclosure Vulnerability…
    CVE-2022-35756 (CVSS 7.8) — Windows Kerberos Elevation of Privilege Vulnerability…
    CVE-2022-35754 (CVSS 6.7) — Unified Write Filter Elevation of Privilege Vulnerability…
    CVE-2022-35753 (CVSS 8.1) — Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability…
    CVE-2022-35752 (CVSS 8.1) — Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability…
    CVE-2022-35751 (CVSS 7.8) — Windows Hyper-V Elevation of Privilege Vulnerability…
    CVE-2022-35750 (CVSS 7.8) — Win32k Elevation of Privilege Vulnerability…
    CVE-2022-35747 (CVSS 5.9) — Windows Point-to-Point Protocol (PPP) Denial of Service Vulnerability…

    References

    http://bugs.php.net/bug.php?id=44683
    http://news.php.net/php.announce/79
    http://svn.php.net/viewvc?view=revision&revision=287779
    http://www.openwall.com/lists/oss-security/2009/09/20/1
    http://www.openwall.com/lists/oss-security/2009/11/20/2
    http://www.openwall.com/lists/oss-security/2009/11/20/3
    http://www.osvdb.org/58188
    http://www.php.net/ChangeLog-5.php
    http://www.php.net/ChangeLog-5.php#5.2.11
    http://www.php.net/releases/5_2_11.php
    http://www.php.net/releases/5_3_1.php
    http://bugs.php.net/bug.php?id=44683
    http://news.php.net/php.announce/79
    http://svn.php.net/viewvc?view=revision&revision=287779
    http://www.openwall.com/lists/oss-security/2009/09/20/1
    http://www.openwall.com/lists/oss-security/2009/11/20/2
    http://www.openwall.com/lists/oss-security/2009/11/20/3
    http://www.osvdb.org/58188
    http://www.php.net/ChangeLog-5.php
    http://www.php.net/ChangeLog-5.php#5.2.11
    http://www.php.net/releases/5_2_11.php
    http://www.php.net/releases/5_3_1.php

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High