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Package "libk5crypto3"

Name: libk5crypto3

Description:

MIT Kerberos runtime libraries - Crypto Library
Latest version: 1.16-2ubuntu0.4
Release: bionic (18.04)
Level: security
Repository: main
Head package: krb5
Homepage: http://web.mit.edu/kerberos/

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Repository Area Version
base main 1.16-2build1
updates main 1.16-2ubuntu0.4

Changelog

Version: 1.16-2ubuntu0.4 2023-03-17 05:06:52 UTC

  krb5 (1.16-2ubuntu0.4) bionic-security; urgency=medium

  * SECURITY UPDATE: Null pointer dereference issue
    - debian/patches/CVE-2021-36222.patch: Fix KDC null deref on bad
      encrypted challenge
    - debian/patches/CVE-2021-37750.patch: Fix KDC null deref on TGS inner
      body null server
    - CVE-2021-36222
    - CVE-2021-37750

 -- Nishit Majithia <email address hidden> Wed, 15 Mar 2023 19:38:38 +0530
Source diff to previous version
CVE-2021-36222 ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows rem
CVE-2021-37750 The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_re

Version: 1.16-2ubuntu0.3 2023-01-25 20:06:55 UTC

  krb5 (1.16-2ubuntu0.3) bionic-security; urgency=medium

  * SECURITY UPDATE: Integer overflow
    - debian/patches/CVE-2022-42898.patch: add buffer length checks in
      krb5_pac_parse() in src/lib/krb5/krb/pac.c and a test case for
      invalid buffers in src/lib/krb5/krb/t_pac.c.
    - CVE-2022-42898
  * SECURITY UPDATE: DoS (crash) the KDC by making an S4U2Self request
    - debian/patches/CVE-2018-20217-1.patch: Ignore password attributes for
      S4U2Self requests.
    - debian/patches/CVE-2018-20217-2.patch: remove incorrect KDC assertion.
    - CVE-2018-20217

 -- Rodrigo Figueiredo Zaiden <email address hidden> Fri, 20 Jan 2023 07:37:35 -0300
Source diff to previous version
CVE-2022-42898 PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC,
CVE-2018-20217 A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an ol

Version: 1.16-2ubuntu0.2 2020-11-17 16:07:47 UTC

  krb5 (1.16-2ubuntu0.2) bionic-security; urgency=medium

  * SECURITY UPDATE: Unbounded recursion
    - debian/patches/CVE-2020-28196.patch: adds recursion limit for ASN.1
      indefinite lenghts in src/lib/krb5/asn.1/asn1_encode.c.
    - CVE-2020-28196

 -- <email address hidden> (Leonidas S. Barbosa) Wed, 11 Nov 2020 11:23:49 -0300
Source diff to previous version
CVE-2020-28196 MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb

Version: 1.16-2ubuntu0.1 2019-01-14 23:06:38 UTC

  krb5 (1.16-2ubuntu0.1) bionic-security; urgency=medium

  * SECURITY UPDATE: Authenticated kadmin with permission to add principals
    to an LDAP Kerberos can DoS or bypass DN container check.
    - debian/patches/CVE-2018-5729-CVE-2018-5730.patch: Fix flaws in LDAP DN
      checking
    - CVE-2018-5729
    - CVE-2018-5730

 -- Eduardo Barretto <email address hidden> Fri, 11 Jan 2019 13:48:01 -0200
CVE-2018-5729 MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NUL
CVE-2018-5730 MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to circumvent a DN containership


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