Vulnerability Name:

CVE-2017-18186 (CCN-139179)

Assigned:2017-08-24
Published:2017-08-24
Updated:2019-10-03
Summary:An issue was discovered in QPDF before 7.0.0. There is an infinite loop due to looping xref tables in QPDF.cc.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
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): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
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): High
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
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-835
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-18186

Source: XF
Type: UNKNOWN
qpdf-cve201718186-dos(139179)

Source: MISC
Type: Third Party Advisory
https://github.com/qpdf/qpdf/commit/85f05cc57ffa0a863d9d9b23e73acea9410b2937

Source: CCN
Type: qpdf GIT Repository
xref loop causes qpdf to hang #149

Source: MISC
Type: Third Party Advisory
https://github.com/qpdf/qpdf/issues/149

Source: UBUNTU
Type: UNKNOWN
USN-3638-1

Vulnerable Configuration:Configuration 1:
  • cpe:/a:qpdf_project:qpdf:*:*:*:*:*:*:*:* (Version < 7.0.0)

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:201718186000
    V
    		CVE-2017-18186 on Ubuntu 17.10 (artful) - low.
    2018-02-13
    oval:com.ubuntu.bionic:def:2017181860000000
    V
    		CVE-2017-18186 on Ubuntu 18.04 LTS (bionic) - low.
    2018-02-13
    oval:com.ubuntu.bionic:def:201718186000
    V
    		CVE-2017-18186 on Ubuntu 18.04 LTS (bionic) - low.
    2018-02-13
    oval:com.ubuntu.xenial:def:2017181860000000
    V
    		CVE-2017-18186 on Ubuntu 16.04 LTS (xenial) - low.
    2018-02-13
    oval:com.ubuntu.trusty:def:201718186000
    V
    		CVE-2017-18186 on Ubuntu 14.04 LTS (trusty) - low.
    2018-02-13
    oval:com.ubuntu.xenial:def:201718186000
    V
    		CVE-2017-18186 on Ubuntu 16.04 LTS (xenial) - low.
    2018-02-13
    BACK
    qpdf_project qpdf *