Vulnerability Name:

CVE-2018-18651 (CCN-152005)

Assigned:2018-10-25
Published:2018-10-25
Updated:2019-10-03
Summary:An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a specific pdf file, as demonstrated by pdftohtml. This is mainly caused by a large number after the /Count field in the file.
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)
4.9 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: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): 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
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-834
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-18651

Source: MISC
Type: Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/152005

Source: XF
Type: UNKNOWN
xpdf-cve201818651-dos(152005)

Source: CCN
Type: xpdfreader Web site
two bugs in pdftohtml

Source: MISC
Type: Exploit, Third Party Advisory
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-18651

Vulnerable Configuration:Configuration 1:
  • cpe:/a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2018186510000000
    V
    		CVE-2018-18651 on Ubuntu 19.04 (disco) - low.
    2018-10-25
    oval:com.ubuntu.bionic:def:201818651000
    V
    		CVE-2018-18651 on Ubuntu 18.04 LTS (bionic) - low.
    2018-10-25
    oval:com.ubuntu.cosmic:def:2018186510000000
    V
    		CVE-2018-18651 on Ubuntu 18.10 (cosmic) - low.
    2018-10-25
    oval:com.ubuntu.cosmic:def:201818651000
    V
    		CVE-2018-18651 on Ubuntu 18.10 (cosmic) - low.
    2018-10-25
    oval:com.ubuntu.bionic:def:2018186510000000
    V
    		CVE-2018-18651 on Ubuntu 18.04 LTS (bionic) - low.
    2018-10-25
    oval:com.ubuntu.trusty:def:201818651000
    V
    		CVE-2018-18651 on Ubuntu 14.04 LTS (trusty) - low.
    2018-10-25
    oval:com.ubuntu.xenial:def:2018186510000000
    V
    		CVE-2018-18651 on Ubuntu 16.04 LTS (xenial) - low.
    2018-10-25
    oval:com.ubuntu.xenial:def:201818651000
    V
    		CVE-2018-18651 on Ubuntu 16.04 LTS (xenial) - low.
    2018-10-25
    BACK
    xpdfreader xpdf 4.00
    xpdfreader xpdf 4.00