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Buffer Overflow Affecting krb5 package, versions <1.8+dfsg~aa+r23527-1

Severity

 Recommended
high

Based on Debian security rating

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    96.94% (100th percentile)

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  • Snyk ID SNYK-DEBIAN10-KRB5-396033
  • published 25 Dec 2011
  • disclosed 25 Dec 2011
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Introduced: 25 Dec 2011

CVE-2011-4862 Open this link in a new tab
CWE-120 Open this link in a new tab

How to fix?

Upgrade Debian:10 krb5 to version 1.8+dfsg~aa+r23527-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5 package and not the krb5 package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.2 and earlier, Heimdal 1.5.1 and earlier, GNU inetutils, and possibly other products allows remote attackers to execute arbitrary code via a long encryption key, as exploited in the wild in December 2011.

References

CVSS Scores

version 3.1
Expand this section

NVD

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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Red Hat

8.8 high