Description

Race condition in gzip 1.2.4, 1.3.3, and earlier, when decompressing a gzipped file, allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed, whose permissions are changed by gzip after the decompression is complete.

Affected Products 104

References 18

• ftp.sco.com ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.58/SCOSA-2005.58.txt
• lists.apple.com http://lists.apple.com/archives/security-announce/2006//Aug/msg00000.html
• rhn.redhat.com http://rhn.redhat.com/errata/RHSA-2005-357.html
• secunia.com http://secunia.com/advisories/18100
• secunia.com http://secunia.com/advisories/21253
• secunia.com http://secunia.com/advisories/22033
• slackware.com http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.555852
• sunsolve.sun.com http://sunsolve.sun.com/search/document.do?assetkey=1-26-101816-1
• debian.org http://www.debian.org/security/2005/dsa-752
• osvdb.org http://www.osvdb.org/15487
• securityfocus.com http://www.securityfocus.com/archive/1/394965
  Vendor Advisory
• securityfocus.com http://www.securityfocus.com/bid/12996
  Patch
• securityfocus.com http://www.securityfocus.com/bid/19289
• us-cert.gov http://www.us-cert.gov/cas/techalerts/TA06-214A.html
  US Government Resource
• vupen.com http://www.vupen.com/english/advisories/2006/3101
• oval.cisecurity.org https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10242
• oval.cisecurity.org https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1169
• oval.cisecurity.org https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A765

Remediation

• securityfocus.com http://www.securityfocus.com/bid/12996
  Patch