CVE-2019-15845: Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 mishandles path checking within File.fnmatch functions

Medium severity · published Nov 26, 2019

CVE-2019-15845

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 mishandles path checking within File.fnmatch functions

6.5

CVSS

3.3%

EPSS

On KEV

Description

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 mishandles path checking within File.fnmatch functions.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)3.3% · higher than 88% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Ruby · Ruby-lang

2.4.0 through 2.4.7; 2.5.0 through 2.5.6; 2.6.0 through 2.6.4 · source: NVD

Ubuntu Linux · Canonical

16.04; 18.04; 19.04; 19.10 · source: NVD

Affected product

Ubuntu Linux

Canonical

All Ubuntu Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-15845

CVE.org

https://www.cve.org/CVERecord?id=CVE-2019-15845

lists.opensuse.org

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html

Third Party Advisory

https://hackerone.com/reports/449617

Mailing List

https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html

Mailing List

https://seclists.org/bugtraq/2019/Dec/31

Mailing List

https://seclists.org/bugtraq/2019/Dec/32

security.gentoo.org

https://security.gentoo.org/glsa/202003-06