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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: 3.6.13-2ubuntu1.6 2021-08-02 19:06:27 UTC

  gnutls28 (3.6.13-2ubuntu1.6) focal-security; urgency=medium

  * SECURITY UPDATE: use after free issue in key_share extension
    - debian/patches/CVE-2021-20231.patch: avoid use-after-free around
      realloc in lib/ext/key_share.c.
    - CVE-2021-20231
  * SECURITY UPDATE: use after free issue in client_send_params
    - debian/patches/CVE-2021-20232.patch: avoid use-after-free around
      realloc in lib/ext/pre_shared_key.c.
    - CVE-2021-20232

 -- Marc Deslauriers <email address hidden> Mon, 02 Aug 2021 09:56:04 -0400
Source diff to previous version
CVE-2021-20231 A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.
CVE-2021-20232 A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potentia

Version: 3.6.13-2ubuntu1.3 2020-09-09 12:06:46 UTC

  gnutls28 (3.6.13-2ubuntu1.3) focal-security; urgency=medium

  * SECURITY UPDATE: null pointer deref via no_renegotiation alert
    - debian/patches/CVE-2020-24659.patch: reject no_renegotiation alert if
      handshake is incomplete in lib/gnutls_int.h, lib/handshake.c.
    - CVE-2020-24659

 -- Marc Deslauriers <email address hidden> Tue, 08 Sep 2020 10:07:34 -0400
Source diff to previous version
CVE-2020-24659 An issue was discovered in GnuTLS before 3.6.15. A server can trigger a NULL pointer dereference in a TLS 1.3 client if a no_renegotiation alert is s

Version: 3.6.13-2ubuntu1.1 2020-06-05 19:06:35 UTC

  gnutls28 (3.6.13-2ubuntu1.1) focal-security; urgency=medium

  * SECURITY UPDATE: flaw in TLS session ticket key construction
    - debian/patches/CVE-2020-13777.patch: differentiate initial state from
      valid time window of TOTP in lib/stek.c,
      tests/resume-with-previous-stek.c, tests/tls13/prf-early.c.
    - CVE-2020-13777

 -- Marc Deslauriers <email address hidden> Fri, 05 Jun 2020 07:18:21 -0400
CVE-2020-13777 GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting ...


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