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No exploitation reportedFix available

CVE-2019-25018

No exploitation reported by the sources we read.

  • Published2021-02-02

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In the rcp client in MIT krb5-appl through 1.0.3, malicious servers could bypass intended access restrictions via the filename of . or an empty filename, similar to CVE-2018-20685 and CVE-2019-7282. The impact is modifying the permissions of the target directory on the client side. 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.

Timeline

dates in UTC
  1. 2021-02-0218:15CVE publishedNVD

Versions per branch

NVD
Mit krb5-appl
BranchAffectedFixed in
1.0≤ 1.0.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • krb5-applSUSE:OpenStack Cloud Crowbar 9all versions · fixed in 1.0.3-3.6.1
  • krb5-applSUSE:OpenStack Cloud Crowbar 8all versions · fixed in 1.0.3-3.6.1
  • krb5-applSUSE:OpenStack Cloud 9all versions · fixed in 1.0.3-3.6.1
  • krb5-applSUSE:OpenStack Cloud 8all versions · fixed in 1.0.3-3.6.1
  • krb5-applSUSE:OpenStack Cloud 7all versions · fixed in 1.0.3-3.6.1
  • krb5-applSUSE:Linux Enterprise Server for SAP Applications 12 SP5all versions · fixed in 1.0.3-3.6.1
  • krb5-applSUSE:Linux Enterprise Server for SAP Applications 12 SP4all versions · fixed in 1.0.3-3.6.1
  • krb5-applSUSE:Linux Enterprise Server for SAP Applications 12 SP3all versions · fixed in 1.0.3-3.6.1

10 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-25018 Red Hat Product Security3 known affected

    krb5-appl: Improper directory name validation allows malicious server to bypass access restrictions

    krb5-appl-clients as a component of Red Hat Enterprise Linux 6 · krb5-appl-servers as a component of Red Hat Enterprise Linux 6 · krb5-appl.src as a component of Red Hat Enterprise Linux 6

Full record on NVD

Fix

  1. No fix planned, says the vendor Red Hat Product Security CVE-2019-25018 · 3 productsOut of support scope

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
2021-02-02
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-xxwg-wfjg-vgjp

Frequently asked questions

What is CVE-2019-25018?

In the rcp client in MIT krb5-appl through 1.0.3, malicious servers could bypass intended access restrictions via the filename of . or an empty filename, similar to CVE-2018-20685 and CVE-2019-7282. The impact is modifying the permissions of the target directory on the client side. 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.

Is CVE-2019-25018 actively exploited?

Active exploitation of CVE-2019-25018 has not been confirmed. Its EPSS score was 1.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-25018?

CVE-2019-25018 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

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