High severity · published Mar 17, 2019
CVE-2019-6690
python-gnupg 0.4.3 allows context-dependent attackers to trick gnupg to decrypt other ciphertext than intended
7.5
CVSS
8.6%
EPSS
No
On KEV
Description
python-gnupg 0.4.3 allows context-dependent attackers to trick gnupg to decrypt other ciphertext than intended. To perform the attack, the passphrase to gnupg must be controlled by the adversary and the ciphertext should be trusted. Related to a "CWE-20: Improper Input Validation" issue affecting the affect functionality component.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.6% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Backports · Suse
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
LE
Leap · Opensuse
15.0 · source: NVD
PY
Python-gnupg · Python
0.4.3 · source: NVD
UL
Ubuntu Linux · Canonical
18.04; 18.10; 19.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6690
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6690
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.html
Third Party Advisory
http://packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validation.html
Broken Link
http://www.securityfocus.com/bid/106756
Third Party Advisory
https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/
Mailing List
https://lists.debian.org/debian-lts-announce/2019/02/msg00021.html
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