Vulnerability Name:

CVE-2018-6952 (CCN-139100)

Assigned:2018-02-03
Published:2018-02-03
Updated:2019-04-17
Summary:A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
3.3 Low (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
2.9 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-415
CWE-416
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-6952

Source: CCN
Type: GNU patch Web site
GNU patch

Source: BID
Type: Third Party Advisory, VDB Entry
103047

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2033

Source: XF
Type: UNKNOWN
gnupatch-cve20186952-dos(139100)

Source: CCN
Type: GNU bug #53133
double free in another_hunk()

Source: MISC
Type: Vendor Advisory
https://savannah.gnu.org/bugs/index.php?53133

Source: GENTOO
Type: UNKNOWN
GLSA-201904-17

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnu:patch:*:*:*:*:*:*:*:* (Version <= 2.7.6)

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:gnu:patch:2.7.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7735
    P
    		patch-2.7.6-150000.5.3.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3610
    P
    		libjansson4-2.12-3.5.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:6064
    P
    		Security update for patch (Moderate)
    2022-06-03
    oval:org.opensuse.security:def:93459
    P
    		 (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:94243
    P
    		 (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:512
    P
    		Security update for patch (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:93613
    P
    		 (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:94452
    P
    		 (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:93141
    P
    		 (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:93817
    P
    		 (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:95240
    P
    		Security update for patch (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:93301
    P
    		 (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:94031
    P
    		 (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:909
    P
    		Security update for patch (Moderate)
    2022-06-02
    oval:com.redhat.rhsa:def:20192033
    P
    		RHSA-2019:2033: patch security and bug fix update (Low)
    2019-08-06
    oval:com.ubuntu.xenial:def:201869520000000
    V
    		CVE-2018-6952 on Ubuntu 16.04 LTS (xenial) - negligible.
    2018-02-13
    oval:com.ubuntu.artful:def:20186952000
    V
    		CVE-2018-6952 on Ubuntu 17.10 (artful) - negligible.
    2018-02-13
    oval:com.ubuntu.xenial:def:20186952000
    V
    		CVE-2018-6952 on Ubuntu 16.04 LTS (xenial) - negligible.
    2018-02-13
    oval:com.ubuntu.disco:def:201869520000000
    V
    		CVE-2018-6952 on Ubuntu 19.04 (disco) - negligible.
    2018-02-13
    oval:com.ubuntu.bionic:def:20186952000
    V
    		CVE-2018-6952 on Ubuntu 18.04 LTS (bionic) - negligible.
    2018-02-13
    oval:com.ubuntu.cosmic:def:201869520000000
    V
    		CVE-2018-6952 on Ubuntu 18.10 (cosmic) - negligible.
    2018-02-13
    oval:com.ubuntu.cosmic:def:20186952000
    V
    		CVE-2018-6952 on Ubuntu 18.10 (cosmic) - negligible.
    2018-02-13
    oval:com.ubuntu.bionic:def:201869520000000
    V
    		CVE-2018-6952 on Ubuntu 18.04 LTS (bionic) - negligible.
    2018-02-13
    oval:com.ubuntu.trusty:def:20186952000
    V
    		CVE-2018-6952 on Ubuntu 14.04 LTS (trusty) - negligible.
    2018-02-13
    BACK
    gnu patch *
    gnu patch 2.7.6