Vulnerability 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."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnupg | Gnupg | < 1.4.19 |
| Canonical | Ubuntu Linux | 10.04 |
Related Weaknesses (CWE)
References
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd6338
- http://www.openwall.com/lists/oss-security/2015/02/13/14Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/02/14/6Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/72610Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/usn-2554-1/Third Party Advisory
- https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyrinThird Party Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.htmlMailing ListRelease NotesVendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.htmlMailing ListRelease NotesVendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.htmlMailing ListRelease NotesVendor Advisory
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd6338
- http://www.openwall.com/lists/oss-security/2015/02/13/14Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/02/14/6Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/72610Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/usn-2554-1/Third Party Advisory
- https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyrinThird Party Advisory
FAQ
What is CVE-2015-1607?
CVE-2015-1607 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 (invali...
How severe is CVE-2015-1607?
CVE-2015-1607 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-1607?
Check the references section above for vendor advisories and patch information. Affected products include: Gnupg Gnupg, Canonical Ubuntu Linux.