CVE-2011-0017

Summary

The open_log function in log.c in Exim 4.72 and earlier does not check the return value from (1) setuid or (2) setgid system calls, which allows local users to append log data to arbitrary files via a symlink attack.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://secunia.com/advisories/43128
• http://osvdb.org/70696
• ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.74
• http://www.vupen.com/english/advisories/2011/0364
• http://www.securityfocus.com/bid/46065
• http://secunia.com/advisories/43243
• https://exchange.xforce.ibmcloud.com/vulnerabilities/65028
• http://lists.exim.org/lurker/message/20110126.034702.4d69c278.en.html
• http://www.vupen.com/english/advisories/2011/0224
• http://www.debian.org/security/2011/dsa-2154
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
• http://www.vupen.com/english/advisories/2011/0464
• http://secunia.com/advisories/43101
• http://www.vupen.com/english/advisories/2011/0245
• http://www.ubuntu.com/usn/USN-1060-1

References

• http://secunia.com/advisories/43128
• http://osvdb.org/70696
• ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.74
• http://www.vupen.com/english/advisories/2011/0364
• http://www.securityfocus.com/bid/46065
• http://secunia.com/advisories/43243
• https://exchange.xforce.ibmcloud.com/vulnerabilities/65028
• http://lists.exim.org/lurker/message/20110126.034702.4d69c278.en.html
• http://www.vupen.com/english/advisories/2011/0224
• http://www.debian.org/security/2011/dsa-2154
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
• http://www.vupen.com/english/advisories/2011/0464
• http://secunia.com/advisories/43101
• http://www.vupen.com/english/advisories/2011/0245
• http://www.ubuntu.com/usn/USN-1060-1

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