Debian Xfig temp symlink
| xfig-temp-symlink (49600) |  Medium Risk |
Description:
Debian's Xfig package could allow a local attacker to launch a symlink attack. Multiple scripts create temporary files insecurely. A local attacker could exploit this vulnerability by creating a symbolic link from a temporary file to various files on the system, which could allow the attacker to overwrite arbitrary files on the system with elevated privileges.
*CVSS:
| Base Score: | 3.3 |
| Access Vector: | Local |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 2.7 |
| Exploitability: | Proof-of-Concept |
| Remediation Level: | Temporary-Fix |
| Report Confidence: | Confirmed |
Consequences:
File Manipulation
Remedy:
Apply the patch for this vulnerability (f_readeps.c), available from the Xfig Web site. See References.
References:
- oss-security Mailing List, Wed, 1 Apr 2009 13:05:53 +0200: CVE id rquest: xfig insecure tmp files.
- Xfig Web site: Xfig Drawing Program for the X Windows System.
- BID-34328: Xfig Multiple Insecure Temporary File Creation Vulnerabilities
- CVE-2009-1962: Xfig, possibly 3.2.5, allows local users to read and write arbitrary files via a symlink attack on the (1) xfig-eps[PID], (2) xfig-pic[PID].pix, (3) xfig-pic[PID].err, (4) xfig-pcx[PID].pix, (5) xfig-xfigrc[PID], (6) xfig[PID], (7) xfig-print[PID], (8) xfig-export[PID].err, (9) xfig-batch[PID], (10) xfig-exp[PID], or (11) xfig-spell.[PID] temporary files, where [PID] is a process ID.
- MDVSA-2009:244: xfig
- MDVSA-2009:244-1: xfig
- OSVDB ID: 55235: Xfig on Debian Linux Multiple Temporary File Symlink Arbitrary File Overwrite
- SA35320: Xfig Insecure Temporary Files
Platforms Affected:
- Debian Debian Linux 4.0
- Debian Debian Linux 5.0
- MandrakeSoft Mandrake Linux 2008.0 X86_64
- MandrakeSoft Mandrake Linux 2008.0
- MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 4.0
- Xfig Xfig 3.2.5
Reported:
Apr 01, 2009
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.