Vulnerability Name:

CVE-2019-13638 (CCN-164531)

Assigned:2019-07-26
Published:2019-07-26
Updated:2019-08-16
Summary:GNU patch through 2.7.6 is vulnerable to OS shell command injection that can be exploited by opening a crafted patch file that contains an ed style diff payload with shell metacharacters. The ed editor does not need to be present on the vulnerable system. This is different from CVE-2018-1000156.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
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): High
Integrity (I): High
Availibility (A): High
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
7.8 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.0 High (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.3 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-78
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-13638

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

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2798

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2964

Source: REDHAT
Type: UNKNOWN
RHSA-2019:3757

Source: REDHAT
Type: UNKNOWN
RHSA-2019:3758

Source: REDHAT
Type: UNKNOWN
RHSA-2019:4061

Source: XF
Type: UNKNOWN
gnu-patch-cve201913638-command-exec(164531)

Source: CCN
Type: GNU GIT Repository
patch.git

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0

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

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: Mailing List, Third Party Advisory
20190730 [SECURITY] [DSA 4489-1] patch security update

Source: CCN
Type: BugTraq Mailing List, Sat, 27 Jul 2019 17:46:40 +0000
[SECURITY] [DSA 4489-1] patch security update

Source: MISC
Type: Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2019-13638

Source: GENTOO
Type: UNKNOWN
GLSA-201908-22

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

Source: DEBIAN
Type: Third Party Advisory
DSA-4489

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

    • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

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

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

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

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

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

    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

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

    • Configuration CCN 1:
  • cpe:/a:gnu:patch:2.7.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20192964
    P
    		RHSA-2019:2964: patch security update (Important)
    2019-10-03
    oval:com.redhat.rhsa:def:20192798
    P
    		RHSA-2019:2798: patch security update (Important)
    2019-09-19
    oval:com.ubuntu.bionic:def:2019136380000000
    V
    		CVE-2019-13638 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-07-26
    oval:com.ubuntu.xenial:def:2019136380000000
    V
    		CVE-2019-13638 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-07-26
    oval:com.ubuntu.disco:def:2019136380000000
    V
    		CVE-2019-13638 on Ubuntu 19.04 (disco) - medium.
    2019-07-26
    BACK
    gnu patch 2.7.6
    debian debian linux 8.0
    debian debian linux 9.0
    debian debian linux 10.0
    gnu patch 2.7.5