What is the CVSS score of CVE-2018-7731?

CVE-2018-7731 has a CVSS 3.0 base score of 5.5 (Medium). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.3%.

Is there a public PoC exploit available for CVE-2018-7731?

Yes, a public proof-of-concept exploit is available for CVE-2018-7731. Prioritise patching immediately. EPSS: 1.3%.

Is there a patch available for CVE-2018-7731?

Yes, a patch is available for CVE-2018-7731. Update the affected software to the latest version immediately.

Exempi CVE-2018-7731

MEDIUM

NULL Pointer Dereference (CWE-476)

2018-03-06 cve@mitre.org

Null Pointer Dereference Denial Of Service Exempi Ubuntu Linux

5.5

CVSS 3.0 · 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:3.0/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

Mar 06, 2018 - 18:29 nvd

MEDIUM 5.5

DescriptionNVD

An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/WEBP_Support.cpp does not check whether a bitstream has a NULL value, leading to a NULL pointer dereference in the WEBP::VP8XChunk class.

AnalysisAI

An issue was discovered in Exempi through 2.4.4. 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 as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/WEBP_Support.cpp does not check whether a bitstream has a NULL value, leading to a NULL pointer dereference in the WEBP::VP8XChunk class. Affected products include: Exempi Project Exempi, Canonical Ubuntu Linux. Version information: through 2.4.4..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.