Vulnerability Name:

CVE-2018-19396 (CCN-153218)

Assigned:2018-11-19
Published:2018-11-19
Updated:2019-10-03
Summary:ext/standard/var_unserializer.c in PHP 5.x through 7.1.24 allows attackers to cause a denial of service (application crash) via an unserialize call for the com, dotnet, or variant class.
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
7.5 High (CCN 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 (CCN 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
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
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-502
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-19396

Source: CCN
Type: PHP Web site
PHP

Source: BID
Type: Third Party Advisory, VDB Entry
105989

Source: CCN
Type: PHP Bug #77177
Serializing or unserializing COM objects crashes

Source: MISC
Type: Exploit, Issue Tracking, Mailing List, Vendor Advisory
https://bugs.php.net/bug.php?id=77177

Source: XF
Type: UNKNOWN
php-cve201819396-dos(153218)

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20181221-0005/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-19396

Vulnerable Configuration:Configuration 1:
  • cpe:/a:php:php:*:*:*:*:*:*:*:* (Version >= 5.0.0 and <= 7.1.24)

    • Configuration CCN 1:
  • cpe:/a:php:php:7.1.24:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201819396000
    V
    		CVE-2018-19396 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-11-20
    oval:com.ubuntu.cosmic:def:2018193960000000
    V
    		CVE-2018-19396 on Ubuntu 18.10 (cosmic) - medium.
    2018-11-20
    oval:com.ubuntu.cosmic:def:201819396000
    V
    		CVE-2018-19396 on Ubuntu 18.10 (cosmic) - medium.
    2018-11-20
    oval:com.ubuntu.bionic:def:2018193960000000
    V
    		CVE-2018-19396 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-11-20
    oval:com.ubuntu.trusty:def:201819396000
    V
    		CVE-2018-19396 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-11-20
    oval:com.ubuntu.xenial:def:2018193960000000
    V
    		CVE-2018-19396 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-11-20
    oval:com.ubuntu.xenial:def:201819396000
    V
    		CVE-2018-19396 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-11-20
    BACK
    php php *
    php php 7.1.24