Vulnerability Name:

CVE-2018-7874 (CCN-140109)

Assigned:2018-03-07
Published:2018-03-07
Updated:2018-03-23
Summary:An invalid memory address dereference was discovered in strlenext in util/decompile.c in libming 0.4.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/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): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN 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
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-119
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-7874

Source: CCN
Type: Debian Bug report logs - #892260
Several vulnerabilities in the latest libming(0.4.8),confirm please

Source: MISC
Type: Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=892260

Source: XF
Type: UNKNOWN
libming-cve20187874-dos(140109)

Source: CCN
Type: libming GIT Repository
Invalid memory address dereference in strlenext (in util/decompile.c:237) #115

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/libming/libming/issues/115

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libming:libming:0.4.8:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:libming:libming:0.4.8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.trusty:def:20187874000
    V
    		CVE-2018-7874 on Ubuntu 14.04 LTS (trusty) - untriaged.
    2018-03-08
    oval:com.ubuntu.xenial:def:20187874000
    V
    		CVE-2018-7874 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2018-03-08
    oval:com.ubuntu.xenial:def:201878740000000
    V
    		CVE-2018-7874 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2018-03-08
    BACK
    libming libming 0.4.8
    debian debian linux 7.0
    libming libming 0.4.8