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[ GLSA 200808-11 ] UUDeview: Insecure temporary file creation
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PostPosted: Mon Aug 11, 2008 7:26 pm    Post subject: [ GLSA 200808-11 ] UUDeview: Insecure temporary file creatio Reply with quote

Gentoo Linux Security Advisory

Title: UUDeview: Insecure temporary file creation (GLSA 200808-11)
Severity: normal
Exploitable: local
Date: August 11, 2008
Bug(s): #222275, #224193
ID: 200808-11

Synopsis

A vulnerability in UUDeview may allow local attackers to conduct symlink attacks.

Background

UUdeview is encoder and decoder supporting various binary formats. NZBGet is a command-line based binary newsgrabber supporting .nzb files.

Affected Packages

Package: app-text/uudeview
Vulnerable: < 0.5.20-r1
Unaffected: >= 0.5.20-r1
Architectures: All supported architectures

Package: news-nntp/nzbget
Vulnerable: < 0.4.0
Unaffected: >= 0.4.0
Architectures: All supported architectures


Description

UUdeview makes insecure usage of the tempnam() function when creating temporary files. NZBGet includes a copy of the vulnerable code.

Impact

A local attacker could exploit this vulnerability to overwrite arbitrary files on the system.

Workaround

There is no known workaround at this time.

Resolution

All UUDview users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/uudeview-0.5.20-r1"
All NZBget users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=news-nntp/nzbget-0.4.0"


References

CVE-2008-2266
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