CVE-2018-6952
patch: Double free of memory in pch.c:another_hunk() causes a crash
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.
Existe una doble liberación (double free) en la función another_hunk en pch.c en GNU patch hasta la versión 2.7.6.
A double-free flaw was found in the way the patch utility processed patch files. An attacker could potentially use this flaw to crash the patch utility by tricking it into processing crafted patches.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2018-02-13 CVE Reserved
- 2018-02-13 CVE Published
- 2023-11-29 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-415: Double Free
- CWE-416: Use After Free
CAPEC
References (6)
URL | Tag | Source |
---|---|---|
http://www.securityfocus.com/bid/103047 | Third Party Advisory |
URL | Date | SRC |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://access.redhat.com/errata/RHSA-2019:2033 | 2019-04-17 | |
https://savannah.gnu.org/bugs/index.php?53133 | 2019-04-17 | |
https://security.gentoo.org/glsa/201904-17 | 2019-04-17 | |
https://access.redhat.com/security/cve/CVE-2018-6952 | 2019-08-06 | |
https://bugzilla.redhat.com/show_bug.cgi?id=1545053 | 2019-08-06 |