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Vulnerability Details : CVE-2018-1000156

GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_PROGRAM invocation (using ed) can result in code execution. This attack appear to be exploitable via a patch file processed via the patch utility. This is similar to FreeBSD's CVE-2015-1418 however although they share a common ancestry the code bases have diverged over time.
Vulnerability category: Input validation
Published 2018-04-06 13:29:00
Updated 2019-07-30 10:15:12
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-1000156

Probability of exploitation activity in the next 30 days: 1.62%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 86 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-1000156

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 [email protected]
7.8
 HIGH CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
 [email protected]

CWE ids for CVE-2018-1000156

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: [email protected] (Primary)

References for CVE-2018-1000156

Products affected by CVE-2018-1000156

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