Vulnerability Monitor

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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 to sign extensions and "memcpy with overlapping ranges."

Published

2019-11-20T19:15:11.250

Last Modified

2024-11-21T02:25:46.127

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnupg	gnupg	< 1.4.19	Yes
Application	gnupg	gnupg	< 2.0.27	Yes
Application	gnupg	gnupg	< 2.1.2	Yes
Operating System	canonical	ubuntu_linux	10.04	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	14.10	Yes

References

http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392 ([email protected])
http://www.openwall.com/lists/oss-security/2015/02/13/14 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2015/02/14/6 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/72610 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/usn-2554-1/ Third Party Advisory ([email protected])
https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.html Third Party Advisory ([email protected])
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.html Mailing List, Release Notes, Vendor Advisory ([email protected])
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.html Mailing List, Release Notes, Vendor Advisory ([email protected])
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html Mailing List, Release Notes, Vendor Advisory ([email protected])
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/02/13/14 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/02/14/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/72610 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/usn-2554-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.html Mailing List, Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.html Mailing List, Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html Mailing List, Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)