Vulnerability identifier: #VU1589
Vulnerability risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-203
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
OpenSSL
Server applications /
Encryption software
Vendor:
Description
The vulnerability allows a local user to perform timing attack.
The vulnerability exists due to an error within the dsa_sign_setup() function in crypto/dsa/dsa_ossl.c. A local user can obtain a DSA private key via a timing side-channel attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
External links
http://bugzilla.redhat.com/show_bug.cgi?id=1343400
http://git.openssl.org/?p=openssl.git;a=commit;h=399944622df7bd81af62e67ea967c470534090e2
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.