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Package "libgnutls-openssl27"

Name: libgnutls-openssl27

Description:

GNU TLS library - OpenSSL wrapper
Latest version: 3.6.13-2ubuntu1.11
Release: focal (20.04)
Level: security
Repository: main
Head package: gnutls28
Homepage: https://www.gnutls.org/

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Other versions of "libgnutls-openssl27" in Focal

Repository Area Version
base main 3.6.13-2ubuntu1
updates main 3.6.13-2ubuntu1.11

Changelog

Version: 3.6.13-2ubuntu1.11 2024-04-15 18:07:01 UTC

  gnutls28 (3.6.13-2ubuntu1.11) focal-security; urgency=medium

  * SECURITY UPDATE: side-channel leak via Minerva attack
    - debian/patches/CVE-2024-28834.patch: avoid normalization of mpz_t in
      deterministic ECDSA in lib/nettle/int/dsa-compute-k.c,
      lib/nettle/int/dsa-compute-k.h, lib/nettle/int/ecdsa-compute-k.c,
      lib/nettle/int/ecdsa-compute-k.h, lib/nettle/pk.c,
      tests/sign-verify-deterministic.c.
    - CVE-2024-28834

 -- Marc Deslauriers <email address hidden> Fri, 12 Apr 2024 09:56:37 -0400
Source diff to previous version
CVE-2024-28834 A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading

Version: 3.6.13-2ubuntu1.10 2024-01-22 15:07:00 UTC

  gnutls28 (3.6.13-2ubuntu1.10) focal-security; urgency=medium

  * SECURITY UPDATE: timing side-channel attack in the RSA-PSK key exchange
    - debian/patches/CVE-2024-0553.patch: minimize branching after
      decryption in lib/auth/rsa_psk.c.
    - CVE-2024-0553

 -- Marc Deslauriers <email address hidden> Thu, 18 Jan 2024 12:25:14 -0500
Source diff to previous version
CVE-2024-0553 A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertex

Version: 3.6.13-2ubuntu1.9 2023-11-21 16:09:07 UTC

  gnutls28 (3.6.13-2ubuntu1.9) focal-security; urgency=medium

  * SECURITY UPDATE: timing side-channel inside RSA-PSK key exchange
    - debian/patches/CVE-2023-5981.patch: side-step potential side-channel
      in lib/auth/rsa.c, lib/auth/rsa_psk.c, lib/gnutls_int.h,
      lib/priority.c.
    - CVE-2023-5981

 -- Marc Deslauriers <email address hidden> Fri, 17 Nov 2023 09:20:22 -0500
Source diff to previous version
CVE-2023-5981 ttiming side-channel inside RSA-PSK key exchange

Version: 3.6.13-2ubuntu1.8 2023-02-28 16:09:46 UTC

  gnutls28 (3.6.13-2ubuntu1.8) focal-security; urgency=medium

  * SECURITY UPDATE: timing sidechannel in RSA decryption
    - debian/patches/CVE-2023-0361-1.patch: side-step potential
      side-channel in lib/auth/rsa.c.
    - debian/patches/CVE-2023-0361-2.patch: remove dead code in
      lib/auth/rsa.c.
    - CVE-2023-0361

 -- Marc Deslauriers <email address hidden> Tue, 14 Feb 2023 16:13:51 -0500
Source diff to previous version
CVE-2023-0361 A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the

Version: 3.6.13-2ubuntu1.7 2022-08-04 18:06:24 UTC

  gnutls28 (3.6.13-2ubuntu1.7) focal-security; urgency=medium

  * SECURITY UPDATE: Null pointer dereference in MD_UPDATE
    - debian/patches/CVE-2021-4209.patch: avoid calling _update with
      zero-length input in lib/nettle/mac.c.
    - CVE-2021-4209
  * SECURITY UPDATE: Double free in verification of pkcs7 signatures
    - debian/patches/CVE-2022-2509.patch: fix double free during
      gnutls_pkcs7_verify in lib/x509/pkcs7.c,
      tests/pkcs7-verify-double-free.c, tests/Makefile.am.
    - CVE-2022-2509

 -- Marc Deslauriers <email address hidden> Tue, 02 Aug 2022 08:50:52 -0400
CVE-2022-2509 A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_p


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