Leafnode fetchnews Client Article Header Remote Denial of Service Vulnerability

BID:13489

Info

Leafnode fetchnews Client Article Header Remote Denial of Service Vulnerability

Bugtraq ID: 13489
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2005-1453
Remote: Yes
Local: No
Published: May 03 2005 12:00AM
Updated: Jul 12 2009 02:06PM
Credit: The vendor announced this issue.
Vulnerable: Mandriva Linux Mandrake 10.2 x86_64
Mandriva Linux Mandrake 10.2
Mandriva Linux Mandrake 10.1 x86_64
Mandriva Linux Mandrake 10.1
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
Leafnode Leafnode 1.11.1
Leafnode Leafnode 1.9.50
Leafnode Leafnode 1.9.49
Leafnode Leafnode 1.9.48
Leafnode Leafnode 1.9.47
Leafnode Leafnode 1.9.45
Leafnode Leafnode 1.9.43
Leafnode Leafnode 1.9.42
Leafnode Leafnode 1.9.41
Leafnode Leafnode 1.9.40
Leafnode Leafnode 1.9.39
Leafnode Leafnode 1.9.38
Leafnode Leafnode 1.9.37
Leafnode Leafnode 1.9.36
Leafnode Leafnode 1.9.35
Leafnode Leafnode 1.9.31
Leafnode Leafnode 1.9.30
Leafnode Leafnode 1.9.29
Leafnode Leafnode 1.9.27
Leafnode Leafnode 1.9.26
Leafnode Leafnode 1.9.25
Leafnode Leafnode 1.9.24
+ Mandriva Linux Mandrake 9.0
Leafnode Leafnode 1.9.23
Leafnode Leafnode 1.9.22
Leafnode Leafnode 1.9.21
Leafnode Leafnode 1.9.20
Leafnode Leafnode 1.9.19
+ Mandriva Linux Mandrake 8.2 ppc
 + Mandriva Linux Mandrake 8.2
Not Vulnerable: Leafnode Leafnode 1.11.2
Leafnode Leafnode 1.9.48

Discussion

Leafnode fetchnews Client Article Header Remote Denial of Service Vulnerability

Fetchnews is prone to a remote denial of service vulnerability that may allow a remote attacker to cause the software to hang.

The vulnerability manifests when an upstream news server terminates the connection abruptly after fetchnews has requested an article header and before the data transfer is complete.

This vulnerability affects Leafnode 1.9.48 to 1.11.1. The vendor has advised that versions 1.11.2 and newer are not vulnerable to this issue.

Exploit / POC

Leafnode fetchnews Client Article Header Remote Denial of Service Vulnerability

No exploit is required.

Solution / Fix

Leafnode fetchnews Client Article Header Remote Denial of Service Vulnerability

Solution:
The vendor has released leafnode version 1.11.2 to address this issue. Users are advised to upgrade to the fixed version.

Mandriva has released security announcement MDKSA-2005:114 addressing this issue. Please see the referenced advisory for details on obtaining and applying the appropriate updates.


Leafnode Leafnode 1.11.1

Leafnode Leafnode 1.9.19

Leafnode Leafnode 1.9.20

Leafnode Leafnode 1.9.21

Leafnode Leafnode 1.9.22

Leafnode Leafnode 1.9.23

Leafnode Leafnode 1.9.24

Leafnode Leafnode 1.9.25

Leafnode Leafnode 1.9.26

Leafnode Leafnode 1.9.27

Leafnode Leafnode 1.9.29

Leafnode Leafnode 1.9.30

Leafnode Leafnode 1.9.31

Leafnode Leafnode 1.9.35

Leafnode Leafnode 1.9.36

Leafnode Leafnode 1.9.37

Leafnode Leafnode 1.9.38

Leafnode Leafnode 1.9.39

Leafnode Leafnode 1.9.40

Leafnode Leafnode 1.9.41

Leafnode Leafnode 1.9.42

Leafnode Leafnode 1.9.43

Leafnode Leafnode 1.9.45

Leafnode Leafnode 1.9.47

Leafnode Leafnode 1.9.48

Leafnode Leafnode 1.9.49

Leafnode Leafnode 1.9.50

References

Leafnode fetchnews Client Article Header Remote Denial of Service Vulnerability

References:
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