VAR-201609-0270
Vulnerability from variot - Updated: 2025-04-13 20:10otool in Apple Xcode before 8 allows local users to gain privileges or cause a denial of service (memory corruption and application crash) via unspecified vectors, a different vulnerability than CVE-2016-4704. Attackers can exploit these issues to execute arbitrary code, bypass security restrictions and perform unauthorized actions. Failed exploit attempts may result in a denial-of-service condition. Apple Xcode is an integrated development environment provided by Apple (Apple) to developers. It is mainly used to develop applications for Mac OS X and iOS. otool is one of the decompilation tools for Mac OS X applications. A security vulnerability exists in otool in versions prior to Apple Xcode 8. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512
APPLE-SA-2016-09-13-2 Xcode 8
Xcode 8 is now available and addresses the following:
otool Available for: OS X El Capitan 10.11.5 and later Impact: A local attacker may be able to cause unexpected application termination or arbitrary code execution Description: Multiple memory corruption issues were addressed through improved memory handling. CVE-2016-4704 : Shrek_wzw of Qihoo 360 Nirvan Team CVE-2016-4705 : riusksk of Tencent Security Platform Department
Xcode 8.0 may be obtained from:
https://developer.apple.com/xcode/downloads/
To check that the Xcode has been updated:
- Select Xcode in the menu bar
- Select About Xcode
- The version after applying this update will be "8".
Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT1222
This message is signed with Apple's Product Security PGP key, and details are available at:
https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org
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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.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.