Package "libnettle6"

  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

 -- Marc Deslauriers <email address hidden> Mon, 14 Jun 2021 09:33:12 -0400

  nettle (3.4-1ubuntu0.1) bionic-security; urgency=medium

  * SECURITY UPDATE: Out of Bound memory access in signature verification
    - debian/patches/CVE-2021-20305-1.patch: new functions
      ecc_mod_mul_canonical and ecc_mod_sqr_canonical in
      curve25519-eh-to-x.c, curve448-eh-to-x.c, ecc-eh-to-a.c,
      ecc-internal.h, ecc-j-to-a.c, ecc-mod-arith.c, ecc-mul-m.c.
    - debian/patches/CVE-2021-20305-2.patch: use ecc_mod_mul_canonical for
      point comparison in eddsa-verify.c.
    - debian/patches/CVE-2021-20305-3.patch: fix bug in ecc_ecdsa_verify in
      ecc-ecdsa-verify.c, testsuite/ecdsa-sign-test.c.
    - debian/patches/CVE-2021-20305-4.patch: ensure ecdsa_sign output is
      canonically reduced in ecc-ecdsa-sign.c.
    - debian/patches/CVE-2021-20305-6.patch: similar fix for eddsa in
      eddsa-hash.c.
    - debian/libhogweed4.symbols: added new symbols.
    - CVE-2021-20305

 -- Marc Deslauriers <email address hidden> Wed, 07 Apr 2021 10:17:03 -0400