Vulnerability in Mit Krb5-Appl

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.015 (74.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-25018: held from 0.016 to 0.015.

EPSS over last 30 days · oldest: 0.016 · newest: 0.015 · change: -0.001

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-25018?
CVE-2019-25018 is a high-severity vulnerability in Mit Krb5-Appl. CVSS score: 7.5/10. Published 2021-02-02.
How severe is CVE-2019-25018?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-25018 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.