Security readout for executives and security teams
Plain-English summary
This CVE is an Android information disclosure issue in HEIF image handling. A crafted file could trigger an out-of-bounds read caused by integer overflow. Exploitation requires user interaction and no added privileges, so risk is meaningful but not emergency-level without evidence of active abuse.
Executive priority
Treat as a standard mobile patching priority, not a crisis. The business risk is confidentiality exposure from media handling, tempered by required user interaction and no evidence of active exploitation in the provided sources.
Technical view
HeifDataSource::readAt in HeifDecoderImpl.cpp can perform an out-of-bounds read due to integer overflow. The CVSS 3.1 score is 5.7, with high confidentiality impact, no integrity or availability impact, no privileges required, and user interaction required.
Likely exposure
Exposure is most relevant to Android or Pixel environments missing the vendor security update associated with the May 1, 2018 Pixel bulletin. The provided sources do not give precise affected release ranges beyond Google Android/Android Kernel wording.
Exploitation context
The sources indicate remote information disclosure requiring user interaction. CISA KEV status is false in the bundle, and no cited source states active exploitation or public exploit use.
Researcher notes
The record identifies CWE-125 and CWE-190 in Android HEIF decoding. Affected-version detail is limited, so validation should rely on vendor bulletin mapping and device patch levels rather than assumptions about unsupported release ranges.
Mitigation direction
- Apply the relevant Google Android or Pixel security update from vendor guidance.
- Verify devices meet or exceed the May 1, 2018 security patch guidance where applicable.
- Prioritize managed devices that process untrusted media files.
- Check OEM advisories if devices are not directly updated by Google.
Validation and detection
- Inventory Android and Pixel devices and record security patch levels.
- Confirm whether each device received the relevant May 2018 vendor security bulletin fixes.
- Review MDM or EDR posture for unmanaged Android devices.
- Track exceptions where OEM support or patch status is unclear.
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-125: 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 lookupCWE-190: 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-2017-13318 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
- Medium
- CVSS
- 5.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N2.13.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.7MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/pixel/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.