Security readout for executives and security teams
Plain-English summary
CVE-2017-13313 is an Android media-processing denial-of-service flaw. A malformed MPEG-4 video stream can trigger an infinite loop and consume resources, potentially making an affected device or service unavailable. The provided sources do not show data theft, code execution, or confirmed active exploitation.
Executive priority
Treat this as a high-priority availability risk for legacy Android estates. It is most urgent where devices handle untrusted media or support business-critical operations. Prioritize patch verification and retirement of unsupported Android versions.
Technical view
The flaw is in ElementaryStreamQueue::dequeueAccessUnitMPEG4Video in ESQueue.cpp. An incorrect bounds check can cause an infinite loop during MPEG-4 video parsing, leading to resource exhaustion. The bundle lists Android 6, 6.0.1, 7, 8, 8.1, and related NYC development branches as affected.
Likely exposure
Exposure is most relevant to Android devices or Android-derived systems that process untrusted MPEG-4 video content and have not received the May 2018 Android security updates. The bundle does not identify non-Android products or downstream vendor builds.
Exploitation context
The bundle marks KEV as false and provides no cited evidence of active exploitation. Exploitation is described as remote denial of service with no privileges required. The description says user interaction is needed, while the CVSS vector lists UI:N, so interaction requirements are inconsistent in the provided evidence.
Researcher notes
Evidence supports a media parser resource-exhaustion issue, not code execution. The source bundle has a mismatch between the narrative interaction requirement and CVSS UI:N. No exploit details, proof of concept, or active exploitation evidence are provided.
Mitigation direction
- Apply Android security updates referenced by the May 2018 Android Security Bulletin.
- Confirm OEM or carrier firmware includes the relevant Android media framework fix.
- Restrict processing of untrusted MPEG-4 video where patching is delayed.
- Monitor Android vendor guidance for affected downstream builds and patch availability.
Validation and detection
- Inventory Android versions 6, 6.0.1, 7, 8, and 8.1 in scope.
- Verify device patch levels against the May 2018 Android Security Bulletin.
- Check whether media ingestion paths accept untrusted MPEG-4 video content.
- Confirm EDR or crash telemetry for repeated media framework hangs or resource exhaustion.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2017-13313 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2018-05-01CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.