Impact: Moderate Public Date: 2019-07-29 CWE: CWE-78 Bugzilla: 1733916: CVE-2019-13638 patch: OS shell command injection when processing crafted patch files 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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-13638 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 8 | patch | Under investigation |
| Red Hat Enterprise Linux 7 | patch | Under investigation |
| Red Hat Enterprise Linux 6 | patch | Under investigation |
| Red Hat Enterprise Linux 5 | patch | Under investigation |
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