Vulnerability Name:

CVE-2018-6951

Assigned:2018-02-13
Published:2018-02-12
Updated:2018-04-11
Summary:An issue was discovered in GNU patch through 2.7.6. There is a segmentation fault, associated with a NULL pointer dereference, leading to a denial of service in the intuit_diff_type function in pch.c, aka a "mangled rename" issue.
CVSS v3 Severity:7.5 High (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
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 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/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): None
Integrity (I): None
Availibility (A): High
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-476
References:Source: BID
Type: VENDOR_ADVISORY
103044

Source: XF
Type: UNKNOWN
gnupatch-cve20186951-dos(139099)

Source: MISC
Type: VENDOR_ADVISORY
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a

Source: MISC
Type: VENDOR_ADVISORY
https://savannah.gnu.org/bugs/index.php?53132

Source: UBUNTU
Type: UNKNOWN
USN-3624-1

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

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

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20186951000
    V
    CVE-2018-6951 on Ubuntu 17.10 (artful) - low.
    2018-02-13
    oval:com.ubuntu.trusty:def:20186951000
    V
    CVE-2018-6951 on Ubuntu 14.04 LTS (trusty) - low.
    2018-02-13
    oval:com.ubuntu.xenial:def:20186951000
    V
    CVE-2018-6951 on Ubuntu 16.04 LTS (xenial) - low.
    2018-02-13
    BACK
    gnu patch 2.7.6
    gnu patch 2.7.6