Vulnerability Name:

CVE-2018-20098 (CCN-154268)

Assigned:2018-12-10
Published:2018-12-10
Updated:2019-10-03
Summary:There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
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
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: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
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
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-20098

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2101

Source: XF
Type: UNKNOWN
exiv2-cve201820098-dos(154268)

Source: CCN
Type: exiv2 GIT Repository
Several bugs in exiv2 0.27-rc3 #590

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/Exiv2/exiv2/issues/590

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206

Source: FEDORA
Type: UNKNOWN
FEDORA-2019-c9cbbbb5c0

Vulnerable Configuration:Configuration 1:
  • cpe:/a:exiv2:exiv2:0.27:rc3:*:*:*:*:*:*

    • 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:exiv2:0.27:rc3:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20201577
    P
    		RHSA-2020:1577: exiv2 security, bug fix, and enhancement update (Moderate)
    2020-04-28
    oval:com.redhat.rhsa:def:20192101
    P
    		RHSA-2019:2101: exiv2 security, bug fix, and enhancement update (Low)
    2019-08-06
    oval:com.ubuntu.bionic:def:201820098000
    V
    		CVE-2018-20098 on Ubuntu 18.04 LTS (bionic) - low.
    2018-12-12
    oval:com.ubuntu.cosmic:def:2018200980000000
    V
    		CVE-2018-20098 on Ubuntu 18.10 (cosmic) - low.
    2018-12-12
    oval:com.ubuntu.cosmic:def:201820098000
    V
    		CVE-2018-20098 on Ubuntu 18.10 (cosmic) - low.
    2018-12-12
    oval:com.ubuntu.bionic:def:2018200980000000
    V
    		CVE-2018-20098 on Ubuntu 18.04 LTS (bionic) - low.
    2018-12-12
    oval:com.ubuntu.trusty:def:201820098000
    V
    		CVE-2018-20098 on Ubuntu 14.04 LTS (trusty) - low.
    2018-12-12
    oval:com.ubuntu.xenial:def:2018200980000000
    V
    		CVE-2018-20098 on Ubuntu 16.04 LTS (xenial) - low.
    2018-12-12
    oval:com.ubuntu.xenial:def:201820098000
    V
    		CVE-2018-20098 on Ubuntu 16.04 LTS (xenial) - low.
    2018-12-12
    BACK
    exiv2 exiv2 0.27 rc3
    exiv2 exiv2 0.27 rc3