VAR-200906-0279

Vulnerability from variot - Updated: 2025-04-10 23:05

Integer overflow in Terminal in Apple Mac OS X 10.5 before 10.5.7 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted size value in a CSI[4 xterm resize escape sequence that triggers a heap-based buffer overflow. Apple Mac OS X is prone to an integer-overflow vulnerability affecting the Terminal application. An attacker can exploit this issue to execute arbitrary code in the context of the user running the vulnerable application. An attacker can exploit this vulnerability by tricking a user into using Terminal to connect to a remote system (such as opening a telnet: URL), causing a denial of service or executing arbitrary commands. For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

-- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Terminal. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.

The specific flaw exists in the handling of 'CSI[4' xterm window resizing escape code. When a very low negative value for (x, y) size is set, an integer overflow occurs resulting in a memory corruption.

-- Vendor Response: Apple has issued an update to correct this vulnerability. More details can be found at:

http://support.apple.com/kb/HT3549

-- Disclosure Timeline: 2009-05-06 - Vulnerability reported to vendor 2009-06-02 - Coordinated public release of advisory

-- Credit: This vulnerability was discovered by: * James King, TippingPoint DVLabs

Show details on source website

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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.