CVE-2022-39028

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Summary

CVECVE-2022-39028
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-08-30 05:15:00 UTC
Updated2023-09-27 20:10:00 UTC
Descriptiontelnetd in GNU Inetutils through 2.3, MIT krb5-appl through 1.0.3, and derivative works has a NULL pointer dereference via 0xff 0xf7 or 0xff 0xf8. In a typical installation, the telnetd application would crash but the telnet service would remain available through inetd. However, if the telnetd application has many crashes within a short time interval, the telnet service would become unavailable after inetd logs a "telnet/tcp server failing (looping), service terminated" error. NOTE: MIT krb5-appl is not supported upstream but is shipped by a few Linux distributions. The affected code was removed from the supported MIT Kerberos 5 (aka krb5) product many years ago, at version 1.8.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Application Gnu Inetutils All All All All
Application Mit Kerberos 5 All All All All
Application Netkit-telnet Project Netkit-telnet All All All All

References

ReferenceSourceLinkTags
[SECURITY] [DLA 3205-1] inetutils security update MLIST lists.debian.org
[BUG][PATCH] Someone described a remote DoS Vulnerability in telnetd (de MISC lists.gnu.org
2-byte DoS in freebsd-telnetd / netbsd-telnetd / netkit-telnetd / inetutils-telnetd / telnetd in Kerberos Version 5 Applications - Binary Golf Grand Prix 3 - IT Security Research by Pierre MISC pierrekim.github.io
debian/pkgs/inetutils.git - Debian inetutils packaging MISC git.hadrons.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181028 Debian Security Update for inetutils (CVE-2022-39028)
  • 181247 Debian Security Update for inetutils (DLA 3205-1)
  • 199675 Ubuntu Security Notification for Inetutils Vulnerabilities (USN-6304-1)
  • 752639 SUSE Enterprise Linux Security Update for krb5-appl (SUSE-SU-2022:3471-1)
  • 752730 SUSE Enterprise Linux Security Update for telnet (SUSE-SU-2022:3783-1)
  • 752735 SUSE Enterprise Linux Security Update for telnet (SUSE-SU-2022:3735-1)
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