VAR-201706-0423

Vulnerability from variot - Updated: 2025-04-20 23:35

Untrusted search path vulnerability in the installer of Tera Term 4.94 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory. Eili Masami of Tachibana Lab. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.Arbitrary code may be executed with the privilege of the user invoking the installer. TeraTerm is a terminal emulator that supports serial port, telnet and SSH connections. Installer is one of the installers. An attacker could exploit the vulnerability with a malicious DLL in the directory to gain access. Tera Term Installer is prone to a remote code-execution vulnerability. A remote attacker can leverage this issue to execute arbitrary code in the context of the affected application. Tera Term Installer 4.94 and prior versions are vulnerable

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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.