Command Injection Vulnerability in GNU Patch by GNU Project
CVE-2018-20969

7.8HIGH

Key Information:

Vendor

Gnu
Status
Patch
Vendor
CVE Published:
16 August 2019

What is CVE-2018-20969?

The command injection vulnerability in GNU Patch allows attackers to exploit input strings beginning with a '!' character. This issue affects versions up to 2.7.6, where the handling of the 'ed' command syntax creates a potential for unauthorized command execution. As the vulnerability is tied to the use of specific characters that bypass normal controls, it is crucial for users and administrators to ensure they are using updated and patched versions to mitigate the risk of exploitation.

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References

https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3f...
x_refsource_MISC
https://seclists.org/bugtraq/2019/Aug/29
mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/154124/GNU-patch-Com...
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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