Security readout for executives and security teams
Plain-English summary
CVE-2017-9156 is a denial-of-service issue in AutoTrace 0.31.1. A crafted PNM image can trigger an invalid write and crash in libautotrace.a. The sources do not indicate data theft, privilege escalation, code execution, or active exploitation.
Executive priority
Treat this as a targeted availability risk. Prioritize systems where external users can submit images for conversion, because a crash there can disrupt business workflows.
Technical view
The flaw is tied to pnm_load_ascii in input-pnm.c at line 303:12 in AutoTrace 0.31.1. Public metadata describes an invalid write followed by SEGV when processing PNM input. Affected-product metadata is incomplete, but the description specifically names AutoTrace 0.31.1 and libautotrace.a.
Likely exposure
Exposure is most likely where AutoTrace or libautotrace processes untrusted image files, especially PNM input, in web services, conversion pipelines, or batch media workflows.
Exploitation context
The CVE record says remote attackers can cause denial of service. The provided sources do not show KEV listing, active exploitation, public weaponization, or a named patch.
Researcher notes
Evidence is limited to CVE metadata and the Gentoo vulnerability write-up reference. No CVSS, CWE, affected CPEs, or remediation details are included in the provided bundle.
Mitigation direction
- Inventory AutoTrace and libautotrace deployments, especially version 0.31.1.
- Check vendor or distribution advisories for fixed packages or supported replacements.
- Avoid processing untrusted PNM files with vulnerable AutoTrace builds.
- Sandbox image conversion jobs and limit resource impact from parser crashes.
Validation and detection
- Confirm whether AutoTrace 0.31.1 or libautotrace.a is installed.
- Identify services or jobs that accept PNM or user-supplied images.
- Review crash logs for AutoTrace SEGV or pnm_load_ascii failures.
- Verify package status against vendor or distribution security guidance.
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-2017-9156 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://blogs.gentoo.org/ago/2017/05/20/autotrace-multiple-vulnerabilities-the-autotrace-nightmare/CVE 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.