Secunia Security Advisory - Two security issues have been reported in git-extras, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
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TITLE:
git-extras Two Insecure Temporary File Security Issues
SECUNIA ADVISORY ID:
SA51911
VERIFY ADVISORY:
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http://secunia.com/advisories/51911/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51911
RELEASE DATE:
2013-01-21
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http://secunia.com/advisories/51911/#comments
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http://secunia.com/advisories/51911/
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DESCRIPTION:
Two security issues have been reported in git-extras, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.
The security issues are caused due to the "git-effort" and
"git-changelog" utilities using a temporary file in an insecure
manner, which can be exploited to e.g. overwrite arbitrary files via
symlink attacks.
The security issues are reported in version 1.7. Other versions may
also be affected.
SOLUTION:
No official solution is currently available.
PROVIDED AND/OR DISCOVERED BY:
Helmut Grohne and Jonathan Wiltshire in a Debian bug report.
ORIGINAL ADVISORY:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=698490
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
DEEP LINKS:
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EXTENDED DESCRIPTION:
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EXTENDED SOLUTION:
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EXPLOIT:
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