CVE-2009-1358

Description

apt-get in apt before 0.7.21 does not check for the correct error code from gpgv, which causes apt to treat a repository as valid even when it has been signed with a key that has been revoked or expired, which might allow remote attackers to trick apt into installing malicious repositories.

10.0

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 1.36% Top 25%

Vendor Advisory debian.org Vendor Advisory ubuntu.com

Affected: n/a n/a

References

Link	Tags
http://secunia.com/advisories/34874	third party advisory
http://www.debian.org/security/2009/dsa-1779	vendor advisory
http://secunia.com/advisories/34829	third party advisory
http://www.securityfocus.com/bid/34630	vdb entry
http://secunia.com/advisories/34832	third party advisory
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/356012
https://usn.ubuntu.com/762-1/	vendor advisory
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=433091
https://exchange.xforce.ibmcloud.com/vulnerabilities/50086	vdb entry

Frequently Asked Questions

What is the severity of CVE-2009-1358?: CVE-2009-1358 has been scored as a critical severity vulnerability.
How to fix CVE-2009-1358?: To fix CVE-2009-1358, 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-2009-1358 being actively exploited in the wild?: It is possible that CVE-2009-1358 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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