Security readout for executives and security teams
Plain-English summary
This flaw can make a Windows system leak the logged-in user name and NTLM password hash when librsvg processes a malicious SVG file. The source data does not report code execution or confirmed active exploitation. Business urgency depends on whether Windows users or automated services process untrusted SVGs with vulnerable librsvg builds.
Executive priority
Prioritize patching where SVG files enter from customers, email, web uploads, or partner feeds. This is not documented as actively exploited in the supplied sources, but NTLM hash disclosure can support credential abuse if exposed in sensitive Windows environments.
Technical view
CVE-2018-1000041 is an improper input validation issue in GNOME librsvg rsvg-io.c before commit c6ddf2ed4d768fd88adbea2b63f575cd523022ea. A crafted SVG containing a Windows UNC path can trigger SMB authentication and disclose the victim's Windows username and NTLM hash to a remote attacker.
Likely exposure
Exposure is most likely where Windows desktops, servers, or image-processing workflows use vulnerable librsvg to open or transform SVG files from external or untrusted sources. Debian LTS published a librsvg security update, indicating packaged Linux deployments also needed updates.
Exploitation context
The provided sources say exploitation requires the victim to process a specially crafted SVG on Windows. The bundle does not show CISA KEV listing, public active exploitation, or exploit maturity details. Treat exploitation status as unconfirmed from the supplied evidence.
Researcher notes
The affected range is described only as GNOME librsvg before a specific commit, with no CVSS, CWE, or precise product matrix in the bundle. Validate downstream package versions through vendor advisories rather than assuming all applications using SVG are affected.
Mitigation direction
- Update librsvg to a build containing the GNOME fix commit or later.
- Apply Debian DLA 1278-1 or later vendor packages where applicable.
- Identify applications bundling librsvg and check their vendor advisories.
- Restrict processing of untrusted SVG files until vulnerable builds are replaced.
- Review outbound SMB exposure as a compensating control for Windows systems.
Validation and detection
- Inventory hosts and applications that use GNOME librsvg or bundled librsvg copies.
- Confirm installed builds include commit c6ddf2ed4d768fd88adbea2b63f575cd523022ea or later.
- For Debian LTS systems, verify the DLA 1278-1 security update is installed.
- Check image-processing pipelines for SVG input from external users or partners.
- Review Windows monitoring for unexpected outbound SMB authentication from SVG-processing 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.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-1000041 mapping review
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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://github.com/ImageMagick/librsvg/commit/f9d69eadd2b16b00d1a1f9f286122123f8e547ddCVE reference · x_refsource_CONFIRM
- https://github.com/GNOME/librsvg/commit/c6ddf2ed4d768fd88adbea2b63f575cd523022eaCVE reference · x_refsource_CONFIRM
- [debian-lts-announce] 20180212 [SECURITY] [DLA 1278-1] librsvg 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.