Security readout for executives and security teams
Plain-English summary
CVE-2018-18059 is a Bitdefender engine parsing flaw affecting versions before 7.76675. A malicious RAR-related file or page could trigger a buffer over-read. The public record says denial-of-service is possible when paired with other vulnerabilities, and user interaction is required.
Executive priority
Treat this as a moderate-priority hygiene issue for environments processing untrusted files. It is not supported as actively exploited in the provided sources, but outdated security scanning engines can create operational risk.
Technical view
The vulnerability is in the Bitdefender rar.xmd parser. Missing validation of user-supplied data can cause a read past the end of an allocated buffer. The cited record does not provide CVSS, CWE, detailed affected products, or standalone code execution evidence.
Likely exposure
Exposure is most likely where Bitdefender Engines before 7.76675 scan untrusted archives or web/email-delivered files. Product-specific exposure is unclear because the source bundle lists affected vendor and product as n/a.
Exploitation context
The sources state exploitation requires the target to visit a malicious page or open a malicious file. There is no KEV listing and no provided evidence of active exploitation.
Researcher notes
Evidence is limited to public CVE and Bitdefender advisory references. The record identifies the parser class and vulnerable version boundary but lacks CVSS, CWE mapping, affected product matrix, and detailed remediation language.
Mitigation direction
- Inventory systems using Bitdefender Engines or embedded Bitdefender scanning components.
- Update affected engines to 7.76675 or later where applicable.
- Check Bitdefender advisory guidance for product-specific remediation details.
- Limit handling of untrusted archives until affected scanners are updated.
Validation and detection
- Confirm engine versions on endpoints, servers, gateways, and appliances.
- Verify security tools scanning RAR content use updated Bitdefender engine builds.
- Review security product logs for parser crashes or scanning-service instability.
- Document any products where Bitdefender engine version visibility is unavailable.
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
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CVE-2018-18059 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://www.bitdefender.com/CVE reference · x_refsource_MISC
- https://www.bitdefender.com/support/security-advisories/bitdefender-rar-xmd-rar-parsing-bounds-read-vulnerability/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.