Medium severity · published Nov 20, 2019
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…
5.5
CVSS
2.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GN
Gnupg · Gnupg
before 1.4.19; 2.0 before 2.0.27; 2.1.0 before 2.1.2 · source: NVD
UL
Ubuntu Linux · Canonical
10.04; 12.04; 14.04; 14.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-1607
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-1607
git.gnupg.org
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392
Mailing List
http://www.openwall.com/lists/oss-security/2015/02/13/14
Mailing List
http://www.openwall.com/lists/oss-security/2015/02/14/6
Third Party Advisory
http://www.securityfocus.com/bid/72610
Third Party Advisory
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.html
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