CVE-2018-0737
Publication date 16 April 2018
Last updated 24 July 2024
Ubuntu priority
The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o).
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| openssl | ||
| 18.04 LTS bionic |
Fixed 1.1.0g-2ubuntu4.1
|
|
| 16.04 LTS xenial |
Fixed 1.0.2g-1ubuntu4.13
|
|
| 14.04 LTS trusty |
Fixed 1.0.1f-1ubuntu2.26
|
|
| openssl098 | ||
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| openssl1.0 | ||
| 18.04 LTS bionic |
Fixed 1.0.2n-1ubuntu5.1
|
|
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release |
Notes
mdeslaur
USN-3628-1 was releases with a possible incomplete fix. Next USN should add the three first commits listed below
Patch details
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.9 · Medium
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-3628-1
- OpenSSL vulnerability
- 19 April 2018
- USN-3628-2
- OpenSSL vulnerability
- 19 April 2018
- USN-3692-1
- OpenSSL vulnerabilities
- 26 June 2018
- USN-3692-2
- OpenSSL vulnerabilities
- 26 June 2018