CVE-2009-3896: Buffer Overflow

Published Nov 20, 2009
·
Updated

engine x (nginx) contains a null pointer dereference flaw in versions 0.1.0-0.8.13 before versions 0.8.14, 0.7.62, 0.6.39 and 0.5.38.

http://nginx.net/ http://marc.info/?l=nginx&m=125692080328141&w=2 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=552035 http://www.debian.org/security/2009/dsa-1920

Other sources

src/http/ngxhttpparse.c in nginx (aka Engine X) 0.1.0 through 0.4.14, 0.5.x before 0.5.38, 0.6.x before 0.6.39, 0.7.x before 0.7.62, and 0.8.x before 0.8.14 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a long URI.

— MITRE

Affected Software

283 affected components
Nginx nginx=0.6.1516
F5 Nginx=0.1.0
F5 Nginx=0.1.1
F5 Nginx=0.1.8
F5 Nginx=0.1.9
F5 Nginx=0.1.6
F5 Nginx=0.1.7
F5 Nginx=0.1.4
F5 Nginx=0.1.5
F5 Nginx=0.1.2
F5 Nginx=0.1.3
F5 Nginx=0.1.16
F5 Nginx=0.1.17
F5 Nginx=0.1.14
F5 Nginx=0.1.15
F5 Nginx=0.1.12
F5 Nginx=0.1.13
F5 Nginx=0.1.10
F5 Nginx=0.1.11
F5 Nginx=0.1.24
F5 Nginx=0.1.25
F5 Nginx=0.1.22
F5 Nginx=0.1.23
F5 Nginx=0.1.20
F5 Nginx=0.1.21
F5 Nginx=0.1.18
F5 Nginx=0.1.19
F5 Nginx=0.1.32
F5 Nginx=0.1.33
F5 Nginx=0.1.30
F5 Nginx=0.1.31
F5 Nginx=0.1.28
F5 Nginx=0.1.29
F5 Nginx=0.1.26
F5 Nginx=0.1.27
F5 Nginx=0.1.40
F5 Nginx=0.1.41
F5 Nginx=0.1.38
F5 Nginx=0.1.39
F5 Nginx=0.1.36
F5 Nginx=0.1.37
F5 Nginx=0.1.34
F5 Nginx=0.1.35
F5 Nginx=0.2.2
F5 Nginx=0.2.3
F5 Nginx=0.2.0
F5 Nginx=0.2.1
F5 Nginx=0.1.44
F5 Nginx=0.1.45
F5 Nginx=0.1.42
F5 Nginx=0.1.43
F5 Nginx=0.3.3
F5 Nginx=0.3.4
F5 Nginx=0.3.1
F5 Nginx=0.3.2
F5 Nginx=0.2.6
F5 Nginx=0.3.0
F5 Nginx=0.2.4
F5 Nginx=0.2.5
F5 Nginx=0.3.11
F5 Nginx=0.3.12
F5 Nginx=0.3.9
F5 Nginx=0.3.10
F5 Nginx=0.3.7
F5 Nginx=0.3.8
F5 Nginx=0.3.5
F5 Nginx=0.3.6
F5 Nginx=0.3.19
F5 Nginx=0.3.20
F5 Nginx=0.3.17
F5 Nginx=0.3.18
F5 Nginx=0.3.15
F5 Nginx=0.3.16
F5 Nginx=0.3.13
F5 Nginx=0.3.14
F5 Nginx=0.3.27
F5 Nginx=0.3.28
F5 Nginx=0.3.25
F5 Nginx=0.3.26
F5 Nginx=0.3.23
F5 Nginx=0.3.24
F5 Nginx=0.3.21
F5 Nginx=0.3.22
F5 Nginx=0.3.35
F5 Nginx=0.3.36
F5 Nginx=0.3.33
F5 Nginx=0.3.34
F5 Nginx=0.3.31
F5 Nginx=0.3.32
F5 Nginx=0.3.29
F5 Nginx=0.3.30
F5 Nginx=0.3.43
F5 Nginx=0.3.44
F5 Nginx=0.3.41
F5 Nginx=0.3.42
F5 Nginx=0.3.39
F5 Nginx=0.3.40
F5 Nginx=0.3.37
F5 Nginx=0.3.38
F5 Nginx=0.3.51
F5 Nginx=0.3.52
F5 Nginx=0.3.49
F5 Nginx=0.3.50
F5 Nginx=0.3.47
F5 Nginx=0.3.48
F5 Nginx=0.3.45
F5 Nginx=0.3.46
F5 Nginx=0.3.59
F5 Nginx=0.3.60
F5 Nginx=0.3.57
F5 Nginx=0.3.58
F5 Nginx=0.3.55
F5 Nginx=0.3.56
F5 Nginx=0.3.53
F5 Nginx=0.3.54
F5 Nginx=0.4.1
F5 Nginx=0.3.61
F5 Nginx=0.4.0
F5 Nginx=0.4.5
F5 Nginx=0.4.6
F5 Nginx=0.4.3
F5 Nginx=0.4.4
F5 Nginx=0.4.2
F5 Nginx=0.4.7
F5 Nginx=0.4.8
F5 Nginx=0.4.13
F5 Nginx=0.4.11
F5 Nginx=0.4.12
F5 Nginx=0.4.9
F5 Nginx=0.4.10
F5 Nginx=0.5.6
F5 Nginx=0.5.7
F5 Nginx=0.5.4
F5 Nginx=0.5.5
F5 Nginx=0.5.2
F5 Nginx=0.5.3
F5 Nginx=0.5.0
F5 Nginx=0.5.1
F5 Nginx=0.5.12
F5 Nginx=0.5.10
F5 Nginx=0.5.11
F5 Nginx=0.5.8
F5 Nginx=0.5.9
F5 Nginx=0.5.20
F5 Nginx=0.5.21
F5 Nginx=0.5.18
F5 Nginx=0.5.19
F5 Nginx=0.5.16
F5 Nginx=0.5.17
F5 Nginx=0.5.14
F5 Nginx=0.5.15
F5 Nginx=0.5.13
F5 Nginx=0.5.22
F5 Nginx=0.5.23
F5 Nginx=0.5.30
F5 Nginx=0.5.31
F5 Nginx=0.5.28
F5 Nginx=0.5.29
F5 Nginx=0.5.26
F5 Nginx=0.5.27
F5 Nginx=0.5.24
F5 Nginx=0.5.25
F5 Nginx=0.5.34
F5 Nginx=0.5.32
F5 Nginx=0.5.33
F5 Nginx=0.6.0
F5 Nginx=0.5.36
F5 Nginx=0.5.37
F5 Nginx=0.5.35
F5 Nginx=0.6.7
F5 Nginx=0.6.8
F5 Nginx=0.6.5
F5 Nginx=0.6.6
F5 Nginx=0.6.3
F5 Nginx=0.6.4
F5 Nginx=0.6.1
F5 Nginx=0.6.2
F5 Nginx=0.6.15
F5 Nginx=0.6.13
F5 Nginx=0.6.14
F5 Nginx=0.6.11
F5 Nginx=0.6.12
F5 Nginx=0.6.9
F5 Nginx=0.6.10
F5 Nginx=0.6.17
F5 Nginx=0.6.23
F5 Nginx=0.6.24
F5 Nginx=0.6.21
F5 Nginx=0.6.22
F5 Nginx=0.6.19
F5 Nginx=0.6.20
F5 Nginx=0.6.18
F5 Nginx=0.6.31
F5 Nginx=0.6.32
F5 Nginx=0.6.29
F5 Nginx=0.6.30
F5 Nginx=0.6.27
F5 Nginx=0.6.28
F5 Nginx=0.6.25
F5 Nginx=0.6.26
F5 Nginx=0.6.37
F5 Nginx=0.6.38
F5 Nginx=0.6.35
F5 Nginx=0.6.36
F5 Nginx=0.6.33
F5 Nginx=0.6.34
F5 Nginx=0.7.0
F5 Nginx=0.7.7
F5 Nginx=0.7.8
F5 Nginx=0.7.5
F5 Nginx=0.7.6
F5 Nginx=0.7.3
F5 Nginx=0.7.4
F5 Nginx=0.7.1
F5 Nginx=0.7.2
F5 Nginx=0.7.15
F5 Nginx=0.7.16
F5 Nginx=0.7.13
F5 Nginx=0.7.14
F5 Nginx=0.7.11
F5 Nginx=0.7.12
F5 Nginx=0.7.9
F5 Nginx=0.7.10
F5 Nginx=0.7.23
F5 Nginx=0.7.24
F5 Nginx=0.7.21
F5 Nginx=0.7.22
F5 Nginx=0.7.19
F5 Nginx=0.7.20
F5 Nginx=0.7.17
F5 Nginx=0.7.18
F5 Nginx=0.7.29
F5 Nginx=0.7.30
F5 Nginx=0.7.27
F5 Nginx=0.7.28
F5 Nginx=0.7.25
F5 Nginx=0.7.26
F5 Nginx=0.7.31
F5 Nginx=0.7.32
F5 Nginx=0.7.39
F5 Nginx=0.7.40
F5 Nginx=0.7.37
F5 Nginx=0.7.38
F5 Nginx=0.7.35
F5 Nginx=0.7.36
F5 Nginx=0.7.33
F5 Nginx=0.7.34
F5 Nginx=0.7.47
F5 Nginx=0.7.48
F5 Nginx=0.7.45
F5 Nginx=0.7.46
F5 Nginx=0.7.43
F5 Nginx=0.7.44
F5 Nginx=0.7.41
F5 Nginx=0.7.42
F5 Nginx=0.7.55
F5 Nginx=0.7.56
F5 Nginx=0.7.53
F5 Nginx=0.7.54
F5 Nginx=0.7.51
F5 Nginx=0.7.52
F5 Nginx=0.7.49
F5 Nginx=0.7.50
F5 Nginx=0.7.61
F5 Nginx=0.7.59
F5 Nginx=0.7.60
F5 Nginx=0.7.57
F5 Nginx=0.7.58
F5 Nginx=0.8.1
F5 Nginx=0.8.2
F5 Nginx=0.8.0
F5 Nginx=0.8.9
F5 Nginx=0.8.10
F5 Nginx=0.8.7
F5 Nginx=0.8.8
F5 Nginx=0.8.5
F5 Nginx=0.8.6
F5 Nginx=0.8.3
F5 Nginx=0.8.4
F5 Nginx=0.8.13
F5 Nginx=0.8.14
F5 Nginx=0.8.11
F5 Nginx=0.8.12

Remediation

Patch Available

http://sysoev.ru/nginx/patch.null.pointer.txt

Patch Available

http://www.openwall.com/lists/oss-security/2009/11/20/1

Patch Available

http://www.openwall.com/lists/oss-security/2009/11/20/6

Patch Available

http://www.openwall.com/lists/oss-security/2009/11/23/10

Patch Available

http://www.securityfocus.com/bid/36839

Patch Available

https://bugzilla.redhat.com/show_bug.cgi?id=539565

Event History

Nov 20, 2009
Data Sourced
03:43 PM
DescriptionSeverityAffected Software
Nov 24, 2009
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2009-3896?

CVE-2009-3896 is classified as a moderate severity vulnerability due to its potential to cause denial of service by dereferencing a null pointer.

2

How do I fix CVE-2009-3896?

To fix CVE-2009-3896, update Nginx to version 0.8.14 or later, or alternative versions indicated in the vulnerability description.

3

What versions of Nginx are affected by CVE-2009-3896?

CVE-2009-3896 affects Nginx versions from 0.1.0 to 0.8.13.

4

Does CVE-2009-3896 affect other software besides Nginx?

No, CVE-2009-3896 specifically affects Nginx and its variants from F5.

5

What is the impact of CVE-2009-3896?

The impact of CVE-2009-3896 is primarily denial of service, which could lead to service interruption.

Company

Resources

Contact

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