Vulnerability Name:

CVE-2017-18185 (CCN-139178)

Assigned:2017-08-27
Published:2017-08-27
Updated:2018-05-08
Summary:An issue was discovered in QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc. It is caused by an integer overflow in the PNG filter.
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-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-18185

Source: XF
Type: UNKNOWN
qpdf-cve201718185-dos(139178)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71

Source: CCN
Type: qpdf GIT Repository
heap out of bounds read (large) in Pl_Buffer::write #150

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://github.com/qpdf/qpdf/issues/150

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:201718185000
    V
    		CVE-2017-18185 on Ubuntu 17.10 (artful) - low.
    2018-02-13
    oval:com.ubuntu.bionic:def:2017181850000000
    V
    		CVE-2017-18185 on Ubuntu 18.04 LTS (bionic) - low.
    2018-02-13
    oval:com.ubuntu.bionic:def:201718185000
    V
    		CVE-2017-18185 on Ubuntu 18.04 LTS (bionic) - low.
    2018-02-13
    oval:com.ubuntu.xenial:def:2017181850000000
    V
    		CVE-2017-18185 on Ubuntu 16.04 LTS (xenial) - low.
    2018-02-13
    oval:com.ubuntu.trusty:def:201718185000
    V
    		CVE-2017-18185 on Ubuntu 14.04 LTS (trusty) - low.
    2018-02-13
    oval:com.ubuntu.xenial:def:201718185000
    V
    		CVE-2017-18185 on Ubuntu 16.04 LTS (xenial) - low.
    2018-02-13
    BACK
    qpdf_project qpdf *