Vulnerability Name:

CVE-2021-27548 (CCN-227047)

Assigned:2021-02-22
Published:2022-02-19
Updated:2022-05-26
Summary:There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
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
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)
4.9 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: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
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-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-27548

Source: XF
Type: UNKNOWN
xpdf-cve202127548-dos(227047)

Source: CCN
Type: Xpdf open source Web site
xpdf 4.03 bug in pdftops

Source: MISC
Type: Exploit, Vendor Advisory
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42115

Vulnerable Configuration:Configuration 1:
  • cpe:/a:xpdfreader:xpdf:4.03:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:xpdfreader:xpdf:4.03:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    xpdfreader xpdf 4.03
    xpdfreader xpdf 4.03