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USN-4397-2: NSS vulnerability

17 June 2020

NSS could be made to expose sensitive information over the network.

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Releases

Packages

  • nss - Network Security Service library

Details

USN-4397-1 fixed a vulnerability in NSS. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Cesar Pereida Garcia discovered that NSS incorrectly handled DSA key
generation. A local attacker could possibly use this issue to perform a
timing attack and recover DSA keys. (CVE-2020-12399)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04
Ubuntu 12.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

Related notices

  • USN-4383-1: firefox-locale-gu, firefox-locale-mn, firefox-locale-hr, firefox-locale-kn, firefox-locale-tr, firefox-locale-uk, firefox-locale-zh-hant, firefox-locale-ast, firefox-locale-is, firefox-locale-br, firefox-locale-pl, firefox-locale-ka, firefox-locale-gn, firefox-locale-sq, firefox-locale-fa, firefox-locale-gl, firefox-locale-ro, firefox-locale-ca, firefox-locale-lv, firefox-locale-da, firefox-locale-he, firefox-locale-ms, firefox-locale-an, firefox-locale-sr, firefox-locale-hsb, firefox-locale-lt, firefox-locale-kk, firefox-locale-id, firefox-locale-bs, firefox-locale-si, firefox-locale-zh-hans, firefox-locale-fy, firefox-locale-vi, firefox-locale-sk, firefox-locale-nso, firefox-locale-eu, firefox-locale-mai, firefox-geckodriver, firefox-locale-ku, firefox-locale-xh, firefox-locale-sw, firefox-locale-be, firefox-locale-it, firefox-locale-ne, firefox-locale-de, firefox-locale-ko, firefox-locale-eo, firefox-mozsymbols, firefox-locale-as, firefox-locale-ur, firefox-locale-ga, firefox-locale-cs, firefox-locale-km, firefox-locale-mr, firefox-locale-bg, firefox-locale-fi, firefox-locale-bn, firefox-locale-cak, firefox-locale-csb, firefox-locale-ru, firefox-locale-uz, firefox-locale-sv, firefox-locale-hy, firefox-locale-or, firefox-locale-kab, firefox-locale-fr, firefox-locale-zu, firefox-locale-pa, firefox-locale-en, firefox-locale-af, firefox-locale-sl, firefox-locale-my, firefox-locale-te, firefox-locale-hi, firefox-locale-cy, firefox-locale-ja, firefox-locale-ar, firefox-locale-es, firefox-locale-gd, firefox-locale-el, firefox-locale-mk, firefox-locale-lg, firefox-locale-az, firefox-locale-ml, firefox-locale-nb, firefox-locale-nn, firefox-locale-ta, firefox-locale-ia, firefox-locale-nl, firefox-locale-oc, firefox-locale-th, firefox, firefox-locale-pt, firefox-locale-hu, firefox-dev, firefox-locale-et
  • USN-4421-1: thunderbird-locale-en, thunderbird-locale-sk, thunderbird-locale-id, thunderbird-locale-nn-no, thunderbird-locale-en-us, thunderbird-locale-kab, thunderbird-locale-hu, thunderbird-locale-rm, thunderbird-locale-gl, thunderbird-locale-pa-in, thunderbird-locale-es-es, thunderbird-locale-zh-cn, thunderbird-locale-sv-se, thunderbird-locale-bg, thunderbird-locale-gd, thunderbird-locale-tr, xul-ext-calendar-timezones, thunderbird-locale-ko, xul-ext-gdata-provider, thunderbird-locale-ga-ie, thunderbird-locale-hr, thunderbird-locale-bn, thunderbird-locale-el, thunderbird-locale-he, thunderbird-locale-en-gb, thunderbird-locale-eu, thunderbird-mozsymbols, thunderbird-locale-vi, thunderbird-locale-ja, thunderbird-locale-nn, thunderbird-locale-pa, thunderbird-locale-cak, thunderbird-locale-ka, thunderbird-locale-it, thunderbird-locale-af, thunderbird-locale-sl, thunderbird-locale-is, thunderbird-locale-ga, thunderbird-locale-zh-tw, thunderbird-locale-pt, thunderbird-locale-ta, thunderbird-locale-lt, thunderbird-locale-ca, thunderbird-locale-sq, thunderbird-locale-be, thunderbird-gnome-support, thunderbird-locale-zh-hant, thunderbird-locale-fi, thunderbird-locale-ar, thunderbird-locale-kk, thunderbird-locale-pl, thunderbird-locale-pt-pt, thunderbird-locale-da, thunderbird-locale-sv, thunderbird-locale-ast, thunderbird-locale-fy, thunderbird-locale-bn-bd, thunderbird-locale-ms, thunderbird-locale-es, thunderbird-locale-br, thunderbird-locale-nb, thunderbird-locale-uz, thunderbird-locale-uk, thunderbird-locale-zh-hans, thunderbird-locale-dsb, thunderbird-locale-hy, thunderbird-locale-hsb, thunderbird-locale-ta-lk, xul-ext-lightning, thunderbird-locale-es-ar, thunderbird-locale-nb-no, thunderbird-locale-ro, thunderbird-locale-fr, thunderbird-locale-nl, thunderbird-dev, thunderbird-locale-de, thunderbird-locale-et, thunderbird-locale-mk, thunderbird-locale-cs, thunderbird-locale-ru, thunderbird-locale-si, thunderbird-locale-pt-br, thunderbird, thunderbird-locale-fy-nl, thunderbird-locale-cy, thunderbird-locale-sr
  • USN-4397-1: libnss3-dev, libnss3, nss, libnss3-tools, libnss3-1d, libnss3-nssdb