// For flags

CVE-2019-13636

patch: the following of symlinks in inp.c and util.c is mishandled in cases other than input files

Severity Score

5.9
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.

En GNU parche hasta 2.7.6, el seguimiento de los enlaces simbólicos es manejado inapropiadamente en determinados casos diferentes a los archivos de entrada. Esto afecta a los archivos inp.c y util.c.

USN-4071-1 fixed several vulnerabilities in Patch. This update provides the corresponding update for Ubuntu 14.04 ESM. It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information. Various other issues were also addressed.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-07-17 CVE Reserved
  • 2019-07-17 CVE Published
  • 2019-08-16 First Exploit
  • 2024-08-04 CVE Updated
  • 2025-01-16 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Gnu
Search vendor "Gnu"
 Patch
Search vendor "Gnu" for product "Patch"
 <= 2.7.6
Search vendor "Gnu" for product "Patch" and version " <= 2.7.6"
-
Affected