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Vulnerability Details : CVE-2005-4798

Buffer overflow in NFS readlink handling in the Linux Kernel 2.4 up to 2.4.31 allows remote NFS servers to cause a denial of service (crash) via a long symlink, which is not properly handled in (1) nfs2xdr.c or (2) nfs3xdr.c and causes a crash in the NFS client.
Publish Date : 2005-12-31 Last Update Date : 2010-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2005-09-25 2005-09-25
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- Related OVAL Definitions

Title Definition Id Class Family
Buffer overflow in NFS readlink handling in the Linux Kernel 2.4 up to 2.4.31 allows remote NFS servers to cause a denia... oval:org.mitre.oval:def:11536 unix
RHSA-2006:0144: Updated kernel packages available for Red Hat Enterprise Linux 3 Update 7 (Moderate) oval:com.redhat.rhsa:def:20060144 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2005-4798

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.4.0 Test10 Version Details Vulnerabilities
2 OS Linux Linux Kernel 2.4.0 Test5 Version Details Vulnerabilities
3 OS Linux Linux Kernel 2.4.0 Test11 Version Details Vulnerabilities
4 OS Linux Linux Kernel 2.4.0 Test6 Version Details Vulnerabilities
5 OS Linux Linux Kernel 2.4.0 Test12 Version Details Vulnerabilities
6 OS Linux Linux Kernel 2.4.0 Test7 Version Details Vulnerabilities
7 OS Linux Linux Kernel 2.4.0 Test2 Version Details Vulnerabilities
8 OS Linux Linux Kernel 2.4.0 Version Details Vulnerabilities
9 OS Linux Linux Kernel 2.4.0 Test8 Version Details Vulnerabilities
10 OS Linux Linux Kernel 2.4.0 Test3 Version Details Vulnerabilities
11 OS Linux Linux Kernel 2.4.0 Test1 Version Details Vulnerabilities
12 OS Linux Linux Kernel 2.4.0 Test9 Version Details Vulnerabilities
13 OS Linux Linux Kernel 2.4.0 Test4 Version Details Vulnerabilities
14 OS Linux Linux Kernel 2.4.1 Version Details Vulnerabilities
15 OS Linux Linux Kernel 2.4.2 Version Details Vulnerabilities
16 OS Linux Linux Kernel 2.4.3 Version Details Vulnerabilities
17 OS Linux Linux Kernel 2.4.10 Version Details Vulnerabilities
18 OS Linux Linux Kernel 2.4.11 Version Details Vulnerabilities
19 OS Linux Linux Kernel 2.4.11 Pre3 Version Details Vulnerabilities
20 OS Linux Linux Kernel 2.4.12 Version Details Vulnerabilities
21 OS Linux Linux Kernel 2.4.13 Version Details Vulnerabilities
22 OS Linux Linux Kernel 2.4.14 Version Details Vulnerabilities
23 OS Linux Linux Kernel 2.4.15 Version Details Vulnerabilities
24 OS Linux Linux Kernel 2.4.16 Version Details Vulnerabilities
25 OS Linux Linux Kernel 2.4.17 Version Details Vulnerabilities
26 OS Linux Linux Kernel 2.4.18 Pre5 Version Details Vulnerabilities
27 OS Linux Linux Kernel 2.4.18 X86 Version Details Vulnerabilities
28 OS Linux Linux Kernel 2.4.18 Pre6 Version Details Vulnerabilities
29 OS Linux Linux Kernel 2.4.18 Pre1 Version Details Vulnerabilities
30 OS Linux Linux Kernel 2.4.18 Pre7 Version Details Vulnerabilities
31 OS Linux Linux Kernel 2.4.18 Pre2 Version Details Vulnerabilities
32 OS Linux Linux Kernel 2.4.18 Pre8 Version Details Vulnerabilities
33 OS Linux Linux Kernel 2.4.18 Pre3 Version Details Vulnerabilities
34 OS Linux Linux Kernel 2.4.18 Pre9 Version Details Vulnerabilities
35 OS Linux Linux Kernel 2.4.18 Pre4 Version Details Vulnerabilities
36 OS Linux Linux Kernel 2.4.18 Version Details Vulnerabilities
37 OS Linux Linux Kernel 2.4.19 Version Details Vulnerabilities
38 OS Linux Linux Kernel 2.4.19 Pre6 Version Details Vulnerabilities
39 OS Linux Linux Kernel 2.4.19 Pre1 Version Details Vulnerabilities
40 OS Linux Linux Kernel 2.4.19 Pre2 Version Details Vulnerabilities
41 OS Linux Linux Kernel 2.4.19 Pre3 Version Details Vulnerabilities
42 OS Linux Linux Kernel 2.4.19 Pre4 Version Details Vulnerabilities
43 OS Linux Linux Kernel 2.4.19 Pre5 Version Details Vulnerabilities
44 OS Linux Linux Kernel 2.4.20 Version Details Vulnerabilities
45 OS Linux Linux Kernel 2.4.21 Pre4 Version Details Vulnerabilities
46 OS Linux Linux Kernel 2.4.21 Pre7 Version Details Vulnerabilities
47 OS Linux Linux Kernel 2.4.21 Version Details Vulnerabilities
48 OS Linux Linux Kernel 2.4.21 Pre1 Version Details Vulnerabilities
49 OS Linux Linux Kernel 2.4.22 Version Details Vulnerabilities
50 OS Linux Linux Kernel 2.4.22 Pre10 Version Details Vulnerabilities
51 OS Linux Linux Kernel 2.4.23 Pre9 Version Details Vulnerabilities
52 OS Linux Linux Kernel 2.4.23 Ow2 Version Details Vulnerabilities
53 OS Linux Linux Kernel 2.4.23 Version Details Vulnerabilities
54 OS Linux Linux Kernel 2.4.24 Version Details Vulnerabilities
55 OS Linux Linux Kernel 2.4.24 Ow1 Version Details Vulnerabilities
56 OS Linux Linux Kernel 2.4.25 Version Details Vulnerabilities
57 OS Linux Linux Kernel 2.4.26 Version Details Vulnerabilities
58 OS Linux Linux Kernel 2.4.27 Pre5 Version Details Vulnerabilities
59 OS Linux Linux Kernel 2.4.27 Version Details Vulnerabilities
60 OS Linux Linux Kernel 2.4.27 Pre1 Version Details Vulnerabilities
61 OS Linux Linux Kernel 2.4.27 Pre2 Version Details Vulnerabilities
62 OS Linux Linux Kernel 2.4.27 Pre3 Version Details Vulnerabilities
63 OS Linux Linux Kernel 2.4.27 Pre4 Version Details Vulnerabilities
64 OS Linux Linux Kernel 2.4.28 Version Details Vulnerabilities
65 OS Linux Linux Kernel 2.4.29 Version Details Vulnerabilities
66 OS Linux Linux Kernel 2.4.29 RC1 Version Details Vulnerabilities
67 OS Linux Linux Kernel 2.4.29 RC2 Version Details Vulnerabilities
68 OS Linux Linux Kernel 2.4.30 Version Details Vulnerabilities
69 OS Linux Linux Kernel 2.4.30 RC2 Version Details Vulnerabilities
70 OS Linux Linux Kernel 2.4.30 RC3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 70

- References For CVE-2005-4798

http://secunia.com/advisories/20398
SECUNIA 20398
http://secunia.com/advisories/22082
SECUNIA 22082
http://secunia.com/advisories/22093
SECUNIA 22093
http://www.debian.org/security/2006/dsa-1183
DEBIAN DSA-1183
http://www.debian.org/security/2006/dsa-1184
DEBIAN DSA-1184
http://www.novell.com/linux/security/advisories/2006-05-31.html
SUSE SUSE-SA:2006:028
http://www.kernel.org/git/?p=linux/kernel/git/marcelo/linux-2.4.git;a=commitdiff;h=87e03738fc15dc3ea4acde3a5dcb5f84b6b6152b CONFIRM
http://www.securityfocus.com/bid/20186
BID 20186 Linux Kernel NFS ReadLink Remote Denial of Service Vulnerability Release Date:2006-12-18
http://www.kernel.org/git/?p=linux/kernel/git/marcelo/linux-2.4.git;a=commit;h=87e03738fc15dc3ea4acde3a5dcb5f84b6b6152b CONFIRM

- Metasploit Modules Related To CVE-2005-4798

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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