SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-13638

GNU patch through 2.7.6 is vulnerable to OS shell command injection that can be exploited by opening a crafted patch file that contains an ed style diff payload with shell metacharacters.

HIGH 7.8EPSS 4.49%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

GNU patch through 2.7.6 is vulnerable to OS shell command injection that can be exploited by opening a crafted patch file that contains an ed style diff payload with shell metacharacters. The ed editor does not need to be present on the vulnerable system. This is different from CVE-2018-1000156.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
4.49% probability · 91th percentile
CISA KEV
Not listed
Weakness
CWE-78
Affected
gnu/patch · debian/debian linux
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.