What is the CVSS score of CVE-2017-11331?

CVE-2017-11331 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: 1.9%.

Is there a public PoC exploit available for CVE-2017-11331?

Yes, a public proof-of-concept exploit is available for CVE-2017-11331. Prioritise patching immediately. EPSS: 1.9%.

Vorbis Tools CVE-2017-11331

MEDIUM

Buffer Overflow (CWE-119)

2017-07-31 cve@mitre.org

Buffer Overflow Denial Of Service Vorbis Tools

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

Jul 31, 2017 - 13:29 cve.org

MEDIUM 5.5

DescriptionCVE.org

The wav_open function in oggenc/audio.c in Xiph.Org vorbis-tools 1.4.0 allows remote attackers to cause a denial of service (memory allocation error) via a crafted wav file.

AnalysisAI

The wav_open function in oggenc/audio.c in Xiph.Org vorbis-tools 1.4.0 allows remote attackers to cause a denial of service (memory allocation error) via a crafted wav file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. The wav_open function in oggenc/audio.c in Xiph.Org vorbis-tools 1.4.0 allows remote attackers to cause a denial of service (memory allocation error) via a crafted wav file. Affected products include: Xiph Vorbis-Tools.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.