Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2014-3591 |
CWE-ID | CWE-200 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
GnuPG Client/Desktop applications / Encryption software |
Vendor | GNU |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU30571
Risk: Low
CVSSv3.1: 3.7 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2014-3591
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local non-authenticated attacker to gain access to sensitive information.
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.
MitigationInstall update from vendor's website.
Vulnerable software versionsGnuPG: 1.4.0 - 1.4.18
External linkshttp://www.cs.tau.ac.il/~tromer/radioexp/
http://www.debian.org/security/2015/dsa-3184
http://www.debian.org/security/2015/dsa-3185
http://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
http://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.