Apache MPM Worker.C Denial Of Service Vulnerability

BID:15762

Info

Apache MPM Worker.C Denial Of Service Vulnerability

Bugtraq ID: 15762
Class: Design Error
CVE: CVE-2005-2970
Remote: Yes
Local: No
Published: Dec 07 2005 12:00AM
Updated: Dec 15 2006 11:33PM
Credit: Filip Sneppe is credited with the discovery of this vulnerability.
Vulnerable: Ubuntu Ubuntu Linux 5.10 powerpc
Ubuntu Ubuntu Linux 5.10 i386
Ubuntu Ubuntu Linux 5.10 amd64
Ubuntu Ubuntu Linux 5.0 4 powerpc
Ubuntu Ubuntu Linux 5.0 4 i386
Ubuntu Ubuntu Linux 5.0 4 amd64
Ubuntu Ubuntu Linux 4.1 ppc
Ubuntu Ubuntu Linux 4.1 ia64
Ubuntu Ubuntu Linux 4.1 ia32
Redhat Linux 9.0 i386
Redhat Linux 7.3 i386
Redhat Fedora Core4
Redhat Fedora Core3
Redhat Fedora Core2
Redhat Fedora Core1
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux WS 3
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux ES 3
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux AS 3
Redhat Desktop 4.0
Redhat Desktop 3.0
Redhat 7.0 traceroute 1.4 a5
+ Redhat Linux 7.0
IBM HTTP Server 2.0.47 .1
IBM HTTP Server 2.0.47
IBM HTTP Server 2.0.42 .2
IBM HTTP Server 2.0.42 .1
IBM HTTP Server 2.0.42
Apache Cocoon 2.1
Apache Apache 2.0.54
+ Debian Linux 3.1 sparc
 + Debian Linux 3.1 s/390
 + Debian Linux 3.1 ppc
 + Debian Linux 3.1 mipsel
 + Debian Linux 3.1 mips
 + Debian Linux 3.1 m68k
 + Debian Linux 3.1 ia-64
 + Debian Linux 3.1 ia-32
 + Debian Linux 3.1 hppa
 + Debian Linux 3.1 arm
 + Debian Linux 3.1 amd64
 + Debian Linux 3.1 alpha
 + Debian Linux 3.1
Apache Apache 2.0.53
Apache Apache 2.0.52
+ Apple Mac OS X 10.3.6
+ Apple Mac OS X 10.2.8
+ Apple Mac OS X Server 10.3.6
+ Apple Mac OS X Server 10.2.8
+ Redhat Desktop 4.0
+ Redhat Enterprise Linux AS 4
 + Redhat Enterprise Linux ES 4
 + Redhat Enterprise Linux WS 4
 + Sun Solaris 10
 Apache Apache 2.0.51
+ Redhat Fedora Core2
 + Redhat Fedora Core1
 Apache Apache 2.0.50
+ Mandriva Linux Mandrake 10.1 x86_64
 + Mandriva Linux Mandrake 10.1
Apache Apache 2.0.49
+ S.u.S.E. Linux Personal 9.1
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Apache Apache 2.0.48
+ Mandriva Linux Mandrake 10.0 AMD64
 + Mandriva Linux Mandrake 10.0
+ S.u.S.E. Linux Personal 9.0 x86_64
 + S.u.S.E. Linux Personal 9.0
+ S.u.S.E. Linux Personal 8.2
+ SuSE Linux 8.1
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Apache Apache 2.0.47
+ Apple Mac OS X Server 10.3.5
+ Apple Mac OS X Server 10.3.4
+ Apple Mac OS X Server 10.3.3
+ Apple Mac OS X Server 10.3.2
+ Apple Mac OS X Server 10.3.1
+ Apple Mac OS X Server 10.3
+ Apple Mac OS X Server 10.2.8
+ Apple Mac OS X Server 10.2.7
+ Apple Mac OS X Server 10.2.6
+ Apple Mac OS X Server 10.2.5
+ Apple Mac OS X Server 10.2.4
+ Apple Mac OS X Server 10.2.3
+ Apple Mac OS X Server 10.2.2
+ Apple Mac OS X Server 10.2.1
+ Apple Mac OS X Server 10.2
+ Apple Mac OS X Server 10.1.5
+ Apple Mac OS X Server 10.1.4
+ Apple Mac OS X Server 10.1.3
+ Apple Mac OS X Server 10.1.2
+ Apple Mac OS X Server 10.1.1
+ Apple Mac OS X Server 10.1
+ Mandriva Linux Mandrake 9.2 amd64
 + Mandriva Linux Mandrake 9.2
+ Mandriva Linux Mandrake 9.1 ppc
 + Mandriva Linux Mandrake 9.1
Apache Apache 2.0.46
+ Redhat Desktop 3.0
+ Redhat Enterprise Linux AS 3
 + Redhat Enterprise Linux ES 3
 + Redhat Enterprise Linux WS 3
 + Trustix Secure Linux 2.0
Apache Apache 2.0.45
- Apple Mac OS X 10.2.6
- Apple Mac OS X 10.2.5
- Apple Mac OS X 10.2.4
- Apple Mac OS X 10.2.3
- Apple Mac OS X 10.2.2
- Apple Mac OS X 10.2.1
- Apple Mac OS X 10.2
- Apple Mac OS X 10.1.5
- Apple Mac OS X 10.1.4
- Apple Mac OS X 10.1.3
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0
Apache Apache 2.0.44
Apache Apache 2.0.43
Apache Apache 2.0.42
+ Gentoo Linux 1.4 _rc1
 + Gentoo Linux 1.2
Apache Apache 2.0.41
Apache Apache 2.0.40
+ Redhat Linux 9.0 i386
 + Redhat Linux 8.0
+ Terra Soft Solutions Yellow Dog Linux 3.0
Apache Apache 2.0.39
Apache Apache 2.0.38
Apache Apache 2.0.37
Apache Apache 2.0.36
Apache Apache 2.0.35
Apache Apache 2.0.32
Apache Apache 2.0.28 Beta
Apache Apache 2.0.28
Apache Apache 2.0 a9
Apache Apache 2.0
Not Vulnerable: Apache Apache 2.0.55

Discussion

Apache MPM Worker.C Denial Of Service Vulnerability

Apache is prone to a memory leak that may cause a denial-of-service condition.

An attacker may consume excessive memory resources, resulting in a denial of service for legitimate users.

Apache 2.x versions are vulnerable; other versions may also be affected.

Exploit / POC

Apache MPM Worker.C Denial Of Service Vulnerability

An exploit is not required.

Solution / Fix

Apache MPM Worker.C Denial Of Service Vulnerability

Solution:
Please see the referenced vendor advisories for more information and fixes.


Apache Apache 2.0.40

Apache Apache 2.0.47

Apache Apache 2.0.49

Apache Apache 2.0.52

Apache Apache 2.0.54

References

Apache MPM Worker.C Denial Of Service Vulnerability

References:

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