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CVE-2022-42898

Published: 25/12/2022 Updated: 08/10/2023
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 0

Vulnerability Summary

PAC parsing in MIT Kerberos 5 (aka krb5) prior to 1.19.4 and 1.20.x prior to 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos application server) on 32-bit platforms (which have a resultant heap-based buffer overflow), and cause a denial of service on other platforms. This occurs in krb5_pac_parse in lib/krb5/krb/pac.c. Heimdal prior to 7.7.1 has "a similar bug."

Vulnerability Trend

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mit kerberos 5

mit kerberos 5 1.20

heimdal project heimdal

samba samba

Vendor Advisories

Debian Bug report logs - #1024187 heimdal: CVE-2022-44640 CVE-2022-42898 CVE-2022-3437 CVE-2021-44758 Package: src:heimdal; Maintainer for src:heimdal is Brian May <bam@debianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 15 Nov 2022 21:30:02 UTC Severity: grave Tags: security, upstream Foun ...
Several security issues were fixed in Samba ...
Several security issues were fixed in Heimdal ...
Several security issues were fixed in Kerberos ...
Greg Hudson discovered integer overflow flaws in the PAC parsing in krb5, the MIT implementation of Kerberos, which may result in remote code execution (in a KDC, kadmin, or GSS or Kerberos application server process), information exposure (to a cross-realm KDC acting maliciously), or denial of service (KDC or kadmind process crash) For the stable ...
Several vulnerabilities were discovered in Heimdal, an implementation of Kerberos 5 that aims to be compatible with MIT Kerberos CVE-2021-3671 Joseph Sutton discovered that the Heimdal KDC does not validate that the server name in the TGS-REQ is present before dereferencing, which may result in denial of service CVE-2021-44758 It ...
Integer overflow vulnerabilities in PAC parsing (CVE-2022-42898) ...
Integer overflow vulnerabilities in PAC parsing (CVE-2022-42898) ...
Integer overflow vulnerabilities in PAC parsing (CVE-2022-42898) ...
Description<!----> This CVE is under investigation by Red Hat Product Security ...
Severity Unknown Remote Unknown Type Unknown Description AVG-2828 samba 4174-4 4175-1 Unknown Fixed ...
Synopsis Important: krb5 security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for krb5 is now available for Red Hat Enterprise Linux 90 Extended Update SupportRed Hat Product Security has rated this ...
Synopsis Important: krb5 security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for krb5 is now available for Red Hat Enterprise Linux 86 Extended Update SupportRed Hat Product Security has rated this ...
Synopsis Important: krb5 security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for krb5 is now available for Red Hat Enterprise Linux 81 Update Services for SAP SolutionsRed Hat Product Security has ...
Synopsis Important: krb5 security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for krb5 is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a securi ...
Synopsis Important: krb5 security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for krb5 is now available for Red Hat Enterprise Linux 84 Extended Update SupportRed Hat Product Security has rated this ...
Synopsis Important: krb5 security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for krb5 is now available for Red Hat Enterprise Linux 9Red Hat Product Security has rated this update as having a securi ...
Synopsis Important: krb5 security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for krb5 is now available for Red Hat Enterprise Linux 6 Extended Lifecycle SupportRed Hat Product Security has rated thi ...
Synopsis Important: krb5 security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for krb5 is now available for Red Hat Enterprise Linux 82 Advanced Update Support, Red Hat Enterprise Linux 82 Telecommu ...
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Synopsis Important: Red Hat OpenShift Service Mesh 231 Containers security update Type/Severity Security Advisory: Important Topic Red Hat OpenShift Service Mesh 231 ContainersRed Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) base score, which gives a deta ...
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Integer overflow vulnerabilities in PAC parsing (CVE-2022-42898) ...
Integer overflow vulnerabilities in PAC parsing (CVE-2022-42898) ...
PAN-SA-2024-0001 Informational Bulletin: Impact of OSS CVEs in PAN-OS ...