CVE-2018-10844
Published: 22 August 2018
It was found that the GnuTLS implementation of HMAC-SHA-256 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data using crafted packets.
Priority
Medium
CVSS 3 base score: 5.9
Status
| Package | Release | Status |
|---|---|---|
|
gnutls26 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
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Ignored
(end of ESM support, was needs-triage)
|
|
| trusty |
Needs triage
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
gnutls28 Launchpad, Ubuntu, Debian |
bionic |
Released
(3.5.18-1ubuntu1.1)
|
| cosmic |
Not vulnerable
(3.6.4-2ubuntu1)
|
|
| disco |
Not vulnerable
(3.6.5-2ubuntu1)
|
|
| eoan |
Not vulnerable
(3.6.5-2ubuntu1)
|
|
| focal |
Not vulnerable
(3.6.5-2ubuntu1)
|
|
| groovy |
Not vulnerable
(3.6.5-2ubuntu1)
|
|
| hirsute |
Not vulnerable
(3.6.5-2ubuntu1)
|
|
| impish |
Not vulnerable
(3.6.5-2ubuntu1)
|
|
| jammy |
Not vulnerable
(3.6.5-2ubuntu1)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
(trusty was needed)
|
|
| upstream |
Released
(3.5.19,3.6.3)
|
|
| xenial |
Released
(3.4.10-4ubuntu1.5)
|
Notes
| Author | Note |
|---|---|
| mdeslaur | RHEL7 update brings back SHA256 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10844
- https://eprint.iacr.org/2018/747
- https://ubuntu.com/security/notices/USN-3999-1
- NVD
- Launchpad
- Debian