What is the CVSS score of CVE-2021-3508?

CVE-2021-3508 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2021-3508?

Yes, a public proof-of-concept exploit is available for CVE-2021-3508. Prioritise patching immediately. EPSS: 0.8%.

Is there a patch available for CVE-2021-3508?

Yes, a patch is available for CVE-2021-3508. Update the affected software to the latest version immediately.

Pdfresurrect CVE-2021-3508

MEDIUM

Loop with Unreachable Exit Condition (Infinite Loop) (CWE-835)

2021-04-28 patrick@puiterwijk.org

Denial Of Service Pdfresurrect

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Apr 28, 2021 - 14:15 nvd

MEDIUM 5.5

DescriptionNVD

A flaw was found in PDFResurrect in version 0.22b. There is an infinite loop in get_xref_linear_skipped() in pdf.c via a crafted PDF file.

AnalysisAI

A flaw was found in PDFResurrect in version 0.22b. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-835. A flaw was found in PDFResurrect in version 0.22b. There is an infinite loop in get_xref_linear_skipped() in pdf.c via a crafted PDF file. Affected products include: Pdfresurrect Project Pdfresurrect. Version information: version 0.22.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.