CVE-2020-20740 : PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-ove

PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().

Published 2020-11-20 19:15:12

Updated 2022-01-01 18:10:03

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2020-20740

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 32
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Matching versions
Pdfresurrect Project » Pdfresurrect
Versions before (<) 0.20
cpe:2.3:a:pdfresurrect_project:pdfresurrect:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.14%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 50 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMEEEPBBGER5LPABBRVZLMCC6Z24RBXW/

[SECURITY] Fedora 33 Update: pdfresurrect-0.21-1.fc33 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZOIEVFM3SIMAEOFJKKMYH2TLZ7PXLSUD/

[SECURITY] Fedora 32 Update: pdfresurrect-0.21-1.fc32 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00002.html

[SECURITY] [DLA 2475-1] pdfresurrect security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://github.com/enferex/pdfresurrect/issues/14

The lack of a complete magic check leads to heap-buffer-overflow in pdf_get_version() · Issue #14 · enferex/pdfresurrect · GitHub
Exploit;Issue Tracking;Third Party Advisory
https://github.com/enferex/pdfresurrect/commit/1b422459f07353adce2878806d5247d9e91fb397

Update header validation checks. · enferex/pdfresurrect@1b42245 · GitHub
Patch;Third Party Advisory

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