VAR-200403-0083

Vulnerability from variot - Updated: 2025-04-03 22:40

Directory Services in Apple Mac OS X 10.0.2, 10.0.3, 10.2.8, 10.3.2 and Apple Mac OS X Server 10.2 through 10.3.2 accepts authentication server information from unknown LDAP or NetInfo sources as provided by a malicious DHCP server, which allows remote attackers to gain privileges. It has been reported that Apple MacOS X may be prone to a vulnerability that may allow an attacker to gain root access to a vulnerable system via DHCP responses. It has been reported that systems running MacOS X attempt to negotiate DHCP on all available interfaces. If a network is not found, and that system is implementing the use of wireless connectivity, then that system will attempt to connect to any network in order to obtain an address. The system will also attempt to connect to an LDAP or NetInfo server on the network by using DHCP provided fields. The vulnerable host is reported to implicitly trust the server for correct information. It has also been reported that an attacker may set up a malicious server and thereby be able to login to a vulnerable system using any login name and a user id (uid) of 0 in response to DHCP lease requests. Mac OS X is an operating system used on Mac machines, based on the BSD system. The \"Directory Access\" default setting on systems affected by this vulnerability blindly uses and trusts the DHCP fields provided by these servers, and the system does not prevent logins with any login with uid 0. For example, if an LDAP or NetInfo server contains a user named \"bluemeanie\", uid 0, the system will not check the login system window, or any network-provided premises, such as SSH. In most cases, the Mac would need to boot into a malicious environment to exploit this vulnerability (the Netinfod process would have to be restarted to insert the malicious server into its list of authenticated resources)

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Taxonomy of the tags.


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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

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Events included in the timeline

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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.