Vulnerability Name:

CVE-2019-13636 (CCN-163971)

Assigned:2019-07-15
Published:2019-07-15
Updated:2019-07-24
Summary: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.
CVSS v3 Severity:5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
5.9 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
5.3 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-59
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2019-13636

Source: MISC
Type: UNKNOWN
http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html

Source: XF
Type: UNKNOWN
gnu-patch-cve201913636-info-disc(163971)

Source: CCN
Type: GNU GIT Repository
Don't follow symlinks unless --follow-symlinks is given

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a

Source: MISC
Type: UNKNOWN
https://github.com/irsl/gnu-patch-vulnerabilities

Source: MLIST
Type: Third Party Advisory
[debian-lts-announce] 20190719 [SECURITY] [DLA 1856-1] patch security update

Source: FEDORA
Type: UNKNOWN
FEDORA-2019-ac709da87f

Source: CCN
Type: Packet Storm Security [08-16-2019]
GNU patch Command Injection / Directory Traversal

Source: BUGTRAQ
Type: UNKNOWN
20190816 Details about recent GNU patch vulnerabilities

Source: BUGTRAQ
Type: UNKNOWN
20190730 [SECURITY] [DSA 4489-1] patch security update

Source: GENTOO
Type: UNKNOWN
GLSA-201908-22

Source: CONFIRM
Type: UNKNOWN
https://security.netapp.com/advisory/ntap-20190828-0001/

Source: UBUNTU
Type: UNKNOWN
USN-4071-1

Source: UBUNTU
Type: UNKNOWN
USN-4071-2

Source: DEBIAN
Type: UNKNOWN
DSA-4489

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-13636

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

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

    • 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: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: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:com.redhat.rhsa:def:20201852
    P
    		RHSA-2020:1852: patch security and bug fix update (Moderate)
    2020-04-28
    oval:com.ubuntu.bionic:def:2019136360000000
    V
    		CVE-2019-13636 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-07-17
    oval:com.ubuntu.xenial:def:2019136360000000
    V
    		CVE-2019-13636 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-07-17
    oval:com.ubuntu.disco:def:2019136360000000
    V
    		CVE-2019-13636 on Ubuntu 19.04 (disco) - medium.
    2019-07-17
    BACK
    gnu patch *
    gnu patch 2.7.6