CVE-2018-0734
low
CVSS v3
—
CVSS v2
—
VIR risk
2.5
Description
The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-0734
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-0734.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201812-5
Vendor advisory: arch — https://security.archlinux.org/ASA-201812-6
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1:1.1.1.a-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 1.1.1a-1 |
| debian | bullseye | fixed | 1.1.1a-1 |
| debian | forky | fixed | 1.1.1a-1 |
| debian | sid | fixed | 1.1.1a-1 |
| debian | trixie | fixed | 1.1.1a-1 |
References
Verify integrity in audit chain (admin only). AS-IS.