gnutls-bin: It was found that the GnuTLS implementation of HMAC-SHA-256 was vulnerable to a Lucky thirteen style attack
CVE-2018-10844 is fixed in 5 products on 1 platform, first by gnutls-bin 3.5.18-1ubuntu1.1, released March 26, 2019. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gnutls-bin · Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.1 | gnutls-bin 3.5.18-1ubuntu1.1 | Mar 26, 2019 |
| libgnutls-dane0 · Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.1 | libgnutls-dane0 3.5.18-1ubuntu1.1 | Mar 26, 2019 |
| libgnutls-openssl27 · Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.1 | libgnutls-openssl27 3.5.18-1ubuntu1.1 | Mar 26, 2019 |
| libgnutls30 · Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.1 | libgnutls30 3.5.18-1ubuntu1.1 | Mar 26, 2019 |
| libgnutlsxx28 · Ubuntu 18.04.6 LTS (bionic) | 3.5.18-1ubuntu1.1 | libgnutlsxx28 3.5.18-1ubuntu1.1 | Mar 26, 2019 |
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