Security readout for executives and security teams
Plain-English summary
CVE-2022-35032 is a crash vulnerability in OTFCC's otfccdump, reported against commit 617837b. A crafted input can trigger a segmentation violation, causing the tool or any dependent workflow to fail. The documented impact is availability loss only, not data theft or code execution.
Executive priority
Prioritize this if OTFCC supports customer-facing upload, conversion, or security-analysis workflows because exploitation could disrupt service availability. Treat it as lower urgency for isolated analyst workstations or trusted-only processing, but still track upstream remediation because affected version metadata is incomplete.
Technical view
The CVE describes a CWE-119 memory-safety issue in /release-x64/otfccdump at offset 0x6b6a8f. CVSS 3.1 is 6.5 with network attack vector, low complexity, no privileges, required user interaction, unchanged scope, and high availability impact. Source metadata does not identify precise affected product versions or a vendor fix.
Likely exposure
Exposure is most likely where OTFCC otfccdump from commit 617837b or related builds process untrusted font files, especially upload, conversion, analysis, or automated inspection pipelines. Exposure is lower where the tool is unused, isolated, or only handles trusted files.
Exploitation context
The bundle includes a public GitHub PoC reference, but CISA KEV status is false and no cited source states active exploitation. The CVSS vector requires user interaction, so practical abuse depends on getting a vulnerable workflow or user to process a malicious file.
Researcher notes
Evidence is sparse: affected vendor/product fields are n/a, and no patch is named in the bundle. The strongest facts are the vulnerable commit, otfccdump crash location, CWE-119 classification, CVSS availability impact, and public PoC reference. Avoid expanding scope beyond OTFCC without additional vendor confirmation.
Mitigation direction
- Check OTFCC upstream guidance for fixed commits or releases.
- Avoid processing untrusted font files with vulnerable otfccdump builds.
- Run font parsing workflows in isolated, resource-limited environments.
- Restrict customer or external font upload paths until validated.
- Monitor crash logs for repeated otfccdump segmentation faults.
Validation and detection
- Inventory systems, CI jobs, and services that invoke otfccdump.
- Confirm whether deployed builds trace to commit 617837b.
- Review upload and conversion paths for untrusted font processing.
- Reproduce only in a controlled lab using non-production assets.
- Do not run public PoC material against production systems.
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-119: 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-2022-35032 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:R/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://drive.google.com/file/d/1dldtU6kKgZbFdgQi4Md0p3t8RPOtKTG-/view?usp=sharingCVE reference · x_refsource_MISC
- https://github.com/Cvjark/Poc/blob/main/otfcc/CVE-2022-35032.mdCVE reference · x_refsource_MISC
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.