CVE-2020-10595

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-10595
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10595.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-10595
Related
Published
2020-03-31T13:15:13Z
Modified
2025-01-15T01:41:32.856885Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

pam-krb5 before 4.9 has a buffer overflow that might cause remote code execution in situations involving supplemental prompting by a Kerberos library. It may overflow a buffer provided by the underlying Kerberos library by a single '\0' byte if an attacker responds to a prompt with an answer of a carefully chosen length. The effect may range from heap corruption to stack corruption depending on the structure of the underlying Kerberos library, with unknown effects but possibly including code execution. This code path is not used for normal authentication, but only when the Kerberos library does supplemental prompting, such as with PKINIT or when using the non-standard no_prompt PAM configuration option.

References

Affected packages

Debian:11 / libpam-krb5

Package

Name
libpam-krb5
Purl
pkg:deb/debian/libpam-krb5?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / libpam-krb5

Package

Name
libpam-krb5
Purl
pkg:deb/debian/libpam-krb5?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / libpam-krb5

Package

Name
libpam-krb5
Purl
pkg:deb/debian/libpam-krb5?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Git / github.com/rra/pam-krb5

Affected ranges

Type
GIT
Repo
https://github.com/rra/pam-krb5
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Fixed

Affected versions

release/1.*

release/1.2

release/2.*

release/2.0
release/2.1
release/2.2
release/2.3
release/2.4
release/2.5
release/2.6

release/3.*

release/3.0
release/3.1
release/3.10
release/3.11
release/3.12
release/3.13
release/3.14
release/3.15
release/3.2
release/3.3
release/3.4
release/3.5
release/3.6
release/3.7
release/3.8
release/3.9

release/4.*

release/4.0
release/4.1
release/4.2
release/4.3
release/4.4
release/4.5
release/4.6
release/4.7
release/4.8