CVE-2015-1607
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…
Does this matter?
Lower severity and a low EPSS score (2.47%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 2.47% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- gnupg/gnupg · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392
- http://www.openwall.com/lists/oss-security/2015/02/13/14Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/02/14/6Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/72610Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/usn-2554-1/Third Party Advisory
- https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.htmlThird Party Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.htmlMailing List, Release Notes, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.htmlMailing List, Release Notes, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.htmlMailing List, Release Notes, Vendor Advisory
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392
- http://www.openwall.com/lists/oss-security/2015/02/13/14Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/02/14/6Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/72610Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/usn-2554-1/Third Party Advisory
- https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.htmlThird Party Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.htmlMailing List, Release Notes, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.htmlMailing List, Release Notes, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.htmlMailing List, Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.