[ubuntu/focal-security] nettle 3.5.1+really3.5.1-2ubuntu0.2 (Accepted)

[Marc Deslauriers]

nettle (3.5.1+really3.5.1-2ubuntu0.2) focal-security; urgency=medium

  * 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 13:51:08.997506+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/nettle/3.5.1+really3.5.1-2ubuntu0.2
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