CVE-2015-1607

Description

kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and "memcpy with overlapping ranges."

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.63%
Vendor Advisory gnupg.org Vendor Advisory gnupg.org Vendor Advisory gnupg.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.html third party advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html vendor advisory mailing list release notes
http://www.openwall.com/lists/oss-security/2015/02/13/14 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2015/02/14/6 third party advisory mailing list
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.html vendor advisory mailing list release notes
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.html vendor advisory mailing list release notes
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392
http://www.ubuntu.com/usn/usn-2554-1/ third party advisory
http://www.securityfocus.com/bid/72610 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-1607?
CVE-2015-1607 has been scored as a medium severity vulnerability.
How to fix CVE-2015-1607?
To fix CVE-2015-1607, 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-2015-1607 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-1607 is being actively exploited. 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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