What is the CVSS score of CVE-2022-0699?

CVE-2022-0699 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.2%.

Is there a public PoC exploit available for CVE-2022-0699?

Yes, a public proof-of-concept exploit is available for CVE-2022-0699. Prioritise patching immediately. EPSS: 1.2%.

Is there a patch available for CVE-2022-0699?

Yes, a patch is available for CVE-2022-0699. Update the affected software to the latest version immediately.

Shapelib CVE-2022-0699

CRITICAL

Use After Free (CWE-416)

2022-10-17 patrick@puiterwijk.org

Memory Corruption Denial Of Service Use After Free Shapelib

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 17, 2022 - 16:15 nvd

CRITICAL 9.8

DescriptionNVD

A double-free condition exists in contrib/shpsort.c of shapelib 1.5.0 and older releases. This issue may allow an attacker to cause a denial of service or have other unspecified impact via control over malloc.

AnalysisAI

A double-free condition exists in contrib/shpsort.c of shapelib 1.5.0 and older releases. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. A double-free condition exists in contrib/shpsort.c of shapelib 1.5.0 and older releases. This issue may allow an attacker to cause a denial of service or have other unspecified impact via control over malloc. Affected products include: Osgeo Shapelib.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.