Security readout for executives and security teams
Plain-English summary
CVE-2018-11102 is a crash bug in Libav 12.3. A specially formed media file can cause applications using Libav's MOV probing logic, such as avconv, to crash. The known impact is denial of service, not data theft or remote code execution based on the supplied sources.
Executive priority
Prioritize remediation for internet-facing or customer-facing media processing because a crash can interrupt service. This is lower urgency than code execution issues, but operational impact can be material if media handling is core to the business.
Technical view
The issue is a read access violation in mov_probe in libavformat/mov.c. The CVE description says remote attackers can trigger an application crash, demonstrated with avconv. The source bundle does not provide CVSS, CWE, root-cause detail, or a complete affected-version range beyond Libav 12.3.
Likely exposure
Exposure is most likely where Libav 12.3 or avconv processes untrusted media files, especially upload, transcoding, preview, or ingestion workflows. The bundle does not identify other affected products or downstream packages beyond the Debian security update reference.
Exploitation context
The supplied sources support remote denial of service through crafted media input. They do not show active exploitation, public weaponization, KEV listing, privilege escalation, or code execution. Treat exploitation status as unconfirmed beyond crash reproduction noted in the CVE description.
Researcher notes
Evidence is limited. The bundle names Libav 12.3, mov_probe, libavformat/mov.c, avconv crash behavior, and a Debian LTS security update. No CVSS, CWE, patch commit, exploit status, or full version matrix is provided, so avoid broader affected-product claims.
Mitigation direction
- Inventory services and jobs using Libav 12.3 or avconv.
- Apply relevant vendor or distribution security updates, including Debian guidance where applicable.
- Limit processing of untrusted media until affected components are updated.
- Run media-processing workloads with isolation and restart supervision.
- Monitor vendor advisories for complete affected-version and fix information.
Validation and detection
- Confirm installed Libav or avconv versions across hosts and containers.
- Check Debian or vendor package changelogs for CVE-2018-11102 coverage.
- Identify public routes or queues accepting user-supplied media.
- Review logs for unexplained Libav or avconv crashes during media probing.
- Run non-offensive regression tests against normal MOV/media ingestion paths.
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.
CVE-2018-11102 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://docs.google.com/document/d/18xCwfxMSJiQ9ruQSVaO8-jlcobDjFiYXWOaw31V37xo/editCVE reference · x_refsource_MISC
- https://bugzilla.libav.org/show_bug.cgi?id=1128CVE reference · x_refsource_MISC
- [debian-lts-announce] 20190902 [SECURITY] [DLA 1907-1] libav security updateCVE reference · mailing-list, x_refsource_MLIST
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.
