10

CVE-2011-0285: mit kerberos_5 Improper Input Validation

CVSS: 10.0v2.0HighModified
AliasesRHSA-2011:0447DEBIAN-CVE-2011-0285
Published 15-04-2011Last modified 06-08-2024

Vulnerability summary

CVE-2011-0285 is a high (CVSS 10.0) Improper Input Validation vulnerability in mit kerberos_5. EPSS estimates a 20.77% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
20.77%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 15-04-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted request that triggers an error condition.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

20.77%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 20.77% on 22-09-2026

22-09-202622-10-2026
EPSS score
20.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaseremotelinuxVerified

    MIT Kerberos 5 - kadmind Change Password Feature Remote Code Execution

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Redhat8 products
  • krb5< 0:1.8.2-3.el6_0.7
  • krb5-debuginfo< 0:1.8.2-3.el6_0.7
  • krb5-devel< 0:1.8.2-3.el6_0.7
  • krb5-libs< 0:1.8.2-3.el6_0.7
  • krb5-pkinit-openssl< 0:1.8.2-3.el6_0.7
Debian1 product
  • krb5< 1.9.1+dfsg-1
Mit1 product
  • kerberos_51.7 | 1.7.1 | 1.8 | 1.8.1 | 1.8.2 | 1.8.3 | 1.9

3 vendors · 10 products

References

26 links
Show all 26 references