What is the CVSS score of CVE-2019-3817?

CVE-2019-3817 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.7%.

Is there a public PoC exploit available for CVE-2019-3817?

Yes, a public proof-of-concept exploit is available for CVE-2019-3817. Prioritise patching immediately. EPSS: 1.7%.

Is there a patch available for CVE-2019-3817?

Yes, a patch is available for CVE-2019-3817. Update the affected software to the latest version immediately.

Libcomps CVE-2019-3817

HIGH

Use After Free (CWE-416)

2019-03-27 secalert@redhat.com

Denial Of Service Use After Free Memory Corruption Libcomps

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 27, 2019 - 13:29 nvd

HIGH 8.8

DescriptionNVD

A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code.

AnalysisAI

A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. Rated high severity (CVSS 8.8), 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 use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code. Affected products include: Rpm Libcomps. Version information: version 0.1.10.

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.