CVE-2011-4089

Public Exploit

Description

The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temporary files during extraction, which allows local users to execute arbitrary code by precreating a temporary directory.

Category

4.6
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.22%
Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://seclists.org/fulldisclosure/2011/Oct/804 mailing list
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862 patch
http://www.ubuntu.com/usn/USN-1308-1 patch vendor advisory
http://www.exploit-db.com/exploits/18147 exploit
http://www.openwall.com/lists/oss-security/2011/10/28/16 mailing list

Frequently Asked Questions

What is the severity of CVE-2011-4089?
CVE-2011-4089 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4089?
To fix CVE-2011-4089, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4089 being actively exploited in the wild?
It is possible that CVE-2011-4089 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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