Medium severity · published Nov 29, 2019
CVE-2014-3591
Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's…
4.2
CVSS
0.6%
EPSS
No
On KEV
Description
Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication.
CVSS vector
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Physical
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0 · source: NVD
GN
Gnupg · Gnupg
before 1.4.19 · source: NVD
LI
Libgcrypt · Gnupg
before 1.6.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-3591
CVE.org
https://www.cve.org/CVERecord?id=CVE-2014-3591
Third Party Advisory
http://www.cs.tau.ac.il/~tromer/radioexp/
Third Party Advisory
http://www.debian.org/security/2015/dsa-3184
Third Party Advisory
http://www.debian.org/security/2015/dsa-3185
Patch
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
Patch
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
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