Multiple Linux Vendor Xpdf Embedded URL Vulnerability

BID:1624

Info

Multiple Linux Vendor Xpdf Embedded URL Vulnerability

Bugtraq ID: 1624
Class: Design Error
CVE:
Remote: No
Local: Yes
Published: Aug 29 2000 12:00AM
Updated: Aug 29 2000 12:00AM
Credit: Discussed in Mandrake Advisory MDKSA-2000:041.
Vulnerable: Xpdf Xpdf 0.90
+ Caldera OpenLinux Desktop 2.3
+ Caldera OpenLinux Desktop 2.3
+ Caldera OpenLinux eBuilder 3.0
+ Caldera OpenLinux eBuilder 3.0
+ Debian Linux 2.2 sparc
 + Debian Linux 2.2 powerpc
 + Debian Linux 2.2 IA-32
 + Debian Linux 2.2 arm
 + Debian Linux 2.2 alpha
 + Debian Linux 2.2 68k
 + Debian Linux 2.2
- Mandriva Linux Mandrake 7.1
- Mandriva Linux Mandrake 7.1
- Mandriva Linux Mandrake 7.0
- Mandriva Linux Mandrake 7.0
- Mandriva Linux Mandrake 6.1
- Mandriva Linux Mandrake 6.1
- Mandriva Linux Mandrake 6.0
- Mandriva Linux Mandrake 6.0
+ SCO eDesktop 2.4
+ SCO eDesktop 2.4
+ SCO eServer 2.3
+ SCO eServer 2.3
Not Vulnerable: Xpdf Xpdf 0.91
- Debian Linux 2.2

Discussion

Multiple Linux Vendor Xpdf Embedded URL Vulnerability

When a user clicks a URL, xpdf 0.90 and earlier starts the viewer (netscape by default) but does not properly handle shell meta characters, making it possible for to embed malicious code within PDF files.

As well, these versions create files in /tmp insecurely, raising the possibility of symbolic link attacks.

Exploit / POC

Multiple Linux Vendor Xpdf Embedded URL Vulnerability

Currently the SecurityFocus staff are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected].

Solution / Fix

Multiple Linux Vendor Xpdf Embedded URL Vulnerability

Solution:
An update, version 0.91, is available from the vendor. As this is a general bugfix release, upgrading is recommented.

Mandrake, Redhat, Caldera and Connectiva have provided RPMs of Xpdf 0.91.


Xpdf Xpdf 0.90

References

Multiple Linux Vendor Xpdf Embedded URL Vulnerability

References:
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