CVE-2018-0735
Published: 29 October 2018
The OpenSSL ECDSA 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 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).
Notes
| Author | Note |
|---|---|
| mdeslaur | this may be introduced by the fix for CVE-2018-5407 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openssl Launchpad, Ubuntu, Debian |
bionic |
Released
(1.1.0g-2ubuntu4.3)
|
| cosmic |
Released
(1.1.1-1ubuntu2.1)
|
|
| disco |
Released
(1.1.1a-1ubuntu2)
|
|
| eoan |
Released
(1.1.1a-1ubuntu2)
|
|
| focal |
Released
(1.1.1a-1ubuntu2)
|
|
| groovy |
Released
(1.1.1a-1ubuntu2)
|
|
| hirsute |
Released
(1.1.1a-1ubuntu2)
|
|
| trusty |
Not vulnerable
(1.0.1f-1ubuntu2.26)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(1.0.2g-1ubuntu4.13)
|
|
|
Patches: upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4 (1.1.1) upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=56fb454d281a023b3f950d969693553d3f3ceea1 (1.1.0) upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=003f1bfd185267cc67ac9dc521a27d7a2af0d0ee (1.1.0) |
||
|
openssl098 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| trusty |
Does not exist
(trusty was needs-triage)
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
openssl1.0 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(1.0.2n-1ubuntu5.1)
|
| cosmic |
Not vulnerable
(1.0.2n-1ubuntu6)
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |