Summary
It was discovered that NSS incorrectly handled certain invalid
Diffie-Hellman keys. A remote attacker could possibly use this flaw to
cause NSS to crash, resulting in a denial of service. This issue only
applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2016-5285)
Hubert Kario discovered that NSS incorrectly handled Diffie Hellman client
key exchanges. A remote attacker could possibly use this flaw to perform a
small subgroup confinement attack and recover private keys. This issue only
applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2016-8635)
Franziskus Kiefer discovered that NSS incorrectly mitigated certain timing
side-channel attacks. A remote attacker could possibly use this flaw to
recover private keys. (CVE-2016-9074)
This update refreshes the NSS package to version 3.26.2 which includes
the latest CA certificate bundle.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 14.04 LTS 14.04:LTS | nss | 2:3.26.2-0ubuntu0.14.04.3 |
| Ubuntu · 16.04 LTS 16.04:LTS | nss | 2:3.26.2-0ubuntu0.16.04.2 |
Vulnerabilities 3
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Medium 5.3
It was found that Diffie Hellman Client key exchange handling in NSS 3.21.x was vulnerable to small subgroup confinemen…
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Unscored —
A Null pointer dereference vulnerability exists in Mozilla Network Security Services due to a missing NULL check in PK1…
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Unscored —
An existing mitigation of timing side-channel attacks is insufficient in some circumstances. This issue is addressed in…