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[ GLSA 200502-05 ] Newspost: Buffer overflow vulnerability
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GLSA
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Joined: 07 Aug 2002
Posts: 7212
Location: Pelotas, BR

PostPosted: Thu Feb 03, 2005 12:39 am    Post subject: [ GLSA 200502-05 ] Newspost: Buffer overflow vulnerability Reply with quote

Gentoo Linux Security Advisory

Title: Newspost: Buffer overflow vulnerability (GLSA 200502-05)
Severity: normal
Exploitable: remote
Date: February 03, 2005
Updated: February 21, 2005
Bug(s): #78530
ID: 200502-05

Synopsis

A buffer overflow can be exploited to crash Newspost remotely and potentially execute arbitrary code.

Background

Newspost is a Usenet News binary autoposter.

Affected Packages

Package: net-nntp/newspost
Vulnerable: < 2.1.1-r1
Unaffected: >= 2.0-r1 < 2.1
Unaffected: >= 2.1.1-r1
Architectures: All supported architectures


Description

Niels Heinen has discovered a buffer overflow in the socket_getline() function of Newspost, which can be triggered by providing long strings that do not end with a newline character.

Impact

A remote attacker could setup a malicious NNTP server and entice a Newspost user to post to it, leading to the crash of the Newspost process and potentially the execution of arbitrary code with the rights of the Newspost user.

Workaround

There is no known workaround at this time.

Resolution

All Newspost users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-nntp/newspost-2.0-r1"


References

CAN-2005-0101


Last edited by GLSA on Sun May 07, 2006 4:55 pm; edited 1 time in total
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