KGhostview GSview DSC parser .ps input file buffer overflow
| gsview-dsc-ps-bo (11319) |  High Risk |
Description:
GSview is vulnerable to a buffer overflow, caused by improper bounds checking of .ps (PostScript) input files. By creating a specially-crafted PostScript file, a remote or local attacker could overflow a buffer and execute arbitrary code on the system, once a victim opens the file.
Platforms Affected:
- Ghostgum Software, DSC (Document Structuring Conventions) 3.0
- KDE, KDE prior to 3.0.4
- MandrakeSoft, Mandrake Linux 8.1
- MandrakeSoft, Mandrake Linux 8.2
- MandrakeSoft, Mandrake Linux 9.0
- RedHat, Linux 7.2
- RedHat, Linux 7.3
- RedHat, Linux 8.0
Remedy:
For Red Hat Linux:
Upgrade to the latest kdegraphics package, as listed below. Refer to RHSA-2002:220-41 for more information. See References.
Red Hat Linux 7.2: 2.2.2-2.1 or later
Red Hat Linux 7.3: 3.0.3-0.7.2 or later
Red Hat Linux 8.0: 3.0.3-5 or later
For KDE KGhostView:
Apply the appropriate patch for your system, as listed in KDE Security Advisory 2002-10-08. See References.
For Mandrake Linux:
Upgrade to the latest kdegraphics package, as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2002:071 : kdegraphics for more information. See References.
Mandrake Linux 8.1: 2.2.1-2.1mdk or later
Mandrake Linux 8.2: 2.2.2-15.1mdk or later
Mandrake Linux 9.0: 3.0.3-11.1mdk or later
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Gain Access
References:
- KDE Security Advisory 2002-10-08, KGhostview Arbitary Code Execution at http://www.kde.org/info/security/advisory-20021008-1.txt.
- CVE-2002-1223: Buffer overflow in DSC 3.0 parser from GSview, as used in KGhostView in KDE 1.1 and KDE 3.0.3a, may allow attackers to cause a denial of service or execute arbitrary code via a modified .ps (PostScript) input file.
- RHSA-2002-220: Updated KDE packages fix security issues
Reported:
Oct 08, 2002
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