Home/CVE/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
CVE

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

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.".

MEDIUM · CVSS 5.5 EPSS 0.0063
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

4
gnupg< 1.4.19
gnupg>= 2.0 and < 2.0.27
gnupg>= 2.1.0 and < 2.1.2
canonical ubuntu linuxall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Nov 2019 · 07:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

4
suse-csafSUSE-SU-2015:2171-1
suse-csafSUSE-SU-2015:2171-2
suse-csafSUSE-SU-2015:2170-1
usnUSN-2554-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git
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-keyring-fuzzing-TFPA-0012015.htmlThird Party Advisory
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