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Package "nettle"

Name: nettle

Description:

This package is just an umbrella for a group of other packages, it has no description.
Description samples from packages in group:

  • low level cryptographic library (public-key cryptos)
  • low level cryptographic library (symmetric and one-way cryptos)
  • low level cryptographic library (development files)
Latest version: 3.5.1+really3.5.1-2ubuntu0.2
Release: focal (20.04)
Level: security
Repository: main

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All versions of this package
Bug fixes

List of files in package
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Other versions of "nettle" in Focal

Repository Area Version
base main 3.5.1+really3.5.1-2
base universe 3.5.1+really3.5.1-2
security universe 3.5.1+really3.5.1-2ubuntu0.2
updates main 3.5.1+really3.5.1-2ubuntu0.2
updates universe 3.5.1+really3.5.1-2ubuntu0.2

Packages in group

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Changelog

Version: 3.5.1+really3.5.1-2ubuntu0.2 2021-06-17 12:06:24 UTC

  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

 -- Marc Deslauriers <email address hidden> Mon, 14 Jun 2021 09:18:47 -0400
Source diff to previous version
CVE-2021-3580 Remote crash in RSA decryption via manipulated ciphertext

Version: 3.5.1+really3.5.1-2ubuntu0.1 2021-04-13 17:07:09 UTC

  nettle (3.5.1+really3.5.1-2ubuntu0.1) focal-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/libhogweed5.symbols: added new symbols.
    - CVE-2021-20305

 -- Marc Deslauriers <email address hidden> Wed, 07 Apr 2021 10:12:22 -0400
CVE-2021-20305 A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions (GOST DSA, EDDSA & ECDSA) result in the El


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