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Ubuntu 14.04 ESM: USN-4060-2 Critical: NSS Denial of Service

ubuntu
Calendar Grey July 16, 2019
Dist Ubuntu Esm H88
Multiple vulnerabilities in NSS resolved for Ubuntu 14.04 ESM and 12.04 ESM, mitigating possible denial of service threats.
Several security issues were fixed in NSS.

Summary

Several security issues were fixed in NSS.

Software Description:

- nss: Network Security Service library

Details:

USN-4060-1 fixed several vulnerabilities in nss. This update provides

the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Henry Corrigan-Gibbs discovered that NSS incorrectly handled importing

certain curve25519 private keys. An attacker could use this issue to cause

NSS to crash, resulting in a denial of service, or possibly obtain

sensitive information. (CVE-2019-11719)

Jonas Allmann discovered that NSS incorrectly handled certain p256-ECDH

public keys. An attacker could possibly use this issue to cause NSS to

crash, resulting in a denial of service. (CVE-2019-11729)

Topics%20covered

Topics Covered

security advisory denial of service security issue software update Ubuntu sensitive information NSS

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 ESM:
  libnss3                         2:3.28.4-0ubuntu0.14.04.5+esm1

Ubuntu 12.04 ESM:
  libnss3                         2:3.28.4-0ubuntu0.12.04.4

After a standard system update you need to restart any applications that
use NSS, such as Evolution, to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4060-2

https://ubuntu.com/security/notices/USN-4060-1

CVE-2019-11719, CVE-2019-11729

Severity
critical
Lowest
Low
Medium
High
Critical

July 16, 2019

Topics%20covered

Topics Covered

security advisory denial of service security issue software update Ubuntu sensitive information NSS

Package Information

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