What is the CVSS score of CVE-2017-7603?

CVE-2017-7603 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Is there a public PoC exploit available for CVE-2017-7603?

Yes, a public proof-of-concept exploit is available for CVE-2017-7603. Prioritise patching immediately. EPSS: 0.2%.

Libaacplus CVE-2017-7603

HIGH

Integer Overflow or Wraparound (CWE-190)

2017-04-09 cve@mitre.org

Integer Overflow Denial Of Service Libaacplus

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 09, 2017 - 14:59 cve.org

HIGH 7.8

DescriptionCVE.org

AnalysisAI

au_channel.h in HE-AAC+ Codec (aka libaacplus) 2.0.2 has a signed integer overflow, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified. Rated high severity (CVSS 7.8), 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 Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. au_channel.h in HE-AAC+ Codec (aka libaacplus) 2.0.2 has a signed integer overflow, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted audio file. Affected products include: Libaacplus Project Libaacplus.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.