Vulnerability Name:

CVE-2016-4802 (CCN-113717)

Assigned:2016-06-01
Published:2016-06-01
Updated:2016-12-31
Summary:Multiple untrusted search path vulnerabilities in cURL and libcurl before 7.49.1, when built with SSPI or telnet is enabled, allow local users to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse (1) security.dll, (2) secur32.dll, or (3) ws2_32.dll in the application or current working directory.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-264
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2016-4802

Source: CCN
Type: SECTRACK ID: 1036008
cURL DLL Loading Error Lets Local Users Gain Elevated Privileges

Source: CCN
Type: IBM Security Bulletin 1995850 (BigFix Platform)
BigFix Platform has a libcURL vulnerabilty (CVE-2016-4802)

Source: BID
Type: UNKNOWN
90997

Source: CCN
Type: BID-90997
cURL CVE-2016-4802 DLL Loading Local Code Execution Vulnerability

Source: SECTRACK
Type: UNKNOWN
1036008

Source: CCN
Type: Project cURL Security Advisory, May 30th 2016
Windows DLL hijacking

Source: CONFIRM
Type: Vendor Advisory
https://curl.haxx.se/docs/adv_20160530.html

Source: XF
Type: UNKNOWN
curl-cve20164802-dll-priv-esc(113717)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-4802

Vulnerable Configuration:Configuration 1:
  • cpe:/a:haxx:curl:*:*:*:*:*:*:*:* (Version <= 7.49.0)

    • Configuration CCN 1:
  • cpe:/a:curl:libcurl:7.49.0:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:bigfix_platform:9.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:bigfix_platform:9.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:bigfix_platform:9.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:bigfix_platform:9.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20164802000
    V
    		CVE-2016-4802 on Ubuntu 12.04 LTS (precise) - medium.
    2016-06-24
    oval:com.ubuntu.trusty:def:20164802000
    V
    		CVE-2016-4802 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-06-24
    oval:com.ubuntu.xenial:def:20164802000
    V
    		CVE-2016-4802 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-06-24
    oval:com.ubuntu.xenial:def:201648020000000
    V
    		CVE-2016-4802 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-06-24
    BACK
    haxx curl *
    curl libcurl 7.49.0
    ibm bigfix platform 9.0
    ibm bigfix platform 9.1
    ibm bigfix platform 9.2
    ibm bigfix platform 9.5