[ubuntu/bionic-security] nettle 3.4.1-0ubuntu0.18.04.1 (Accepted)

[Marc Deslauriers]

nettle (3.4.1-0ubuntu0.18.04.1) bionic-security; urgency=medium

  * SECURITY UPDATE: Bleichenbacher type side-channel based padding oracle
    attack in endian conversion of RSA decrypted PKCS#1 v1.5 data
    - Updated to upstream 3.4.1 tarball.
    - debian/*symbols: added new 3.4.1 symbols.
    - CVE-2018-16869
  * SECURITY UPDATE: crash in RSA decryption via manipulated ciphertext
    - debian/patches/CVE-2021-3580-1.patch: change _rsa_sec_compute_root_tr
      to take a fixed input size in rsa-decrypt-tr.c, rsa-internal.h,
      rsa-sec-decrypt.c, rsa-sign-tr.c, testsuite/rsa-encrypt-test.c.
    - debian/patches/CVE-2021-3580-2.patch: add input check to rsa_decrypt
      family of functions in rsa-decrypt-tr.c, rsa-decrypt.c,
      rsa-sec-decrypt.c, rsa.h, testsuite/rsa-encrypt-test.c.
    - CVE-2021-3580

Date: 2021-06-14 14:17:09.617021+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/nettle/3.4.1-0ubuntu0.18.04.1
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