Vulnerability Name:

CVE-2018-14046 (CCN-146441)

Assigned:2018-07-08
Published:2018-07-08
Updated:2019-10-03
Summary:Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)
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): Low
3.3 Low (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)
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): Low
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-125
CWE-122
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-14046

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2101

Source: XF
Type: UNKNOWN
exiv2-cve201814046-dos(146441)

Source: CCN
Type: Exiv2 GIT Repository
AddressSanitizer: heap-buffer-overflow /src/exiv2/src/webpimage.cpp:563 Exiv2::WebPImage::decodeChunks(unsigned long) #378

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/Exiv2/exiv2/issues/378

Vulnerable Configuration:Configuration 1:
  • cpe:/a:exiv2:exiv2:0.26:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

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

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

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

    • Configuration CCN 1:
  • cpe:/a:exiv2:exiv2:0.26:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20192101
    P
    		RHSA-2019:2101: exiv2 security, bug fix, and enhancement update (Low)
    2019-08-06
    oval:com.ubuntu.artful:def:201814046000
    V
    		CVE-2018-14046 on Ubuntu 17.10 (artful) - medium.
    2018-07-13
    oval:com.ubuntu.bionic:def:2018140460000000
    V
    		CVE-2018-14046 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-07-13
    oval:com.ubuntu.bionic:def:201814046000
    V
    		CVE-2018-14046 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-07-13
    oval:com.ubuntu.xenial:def:2018140460000000
    V
    		CVE-2018-14046 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-07-13
    oval:com.ubuntu.trusty:def:201814046000
    V
    		CVE-2018-14046 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-07-13
    oval:com.ubuntu.xenial:def:201814046000
    V
    		CVE-2018-14046 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-07-13
    BACK
    exiv2 exiv2 0.26
    exiv2 exiv2 0.26