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zdiMichael DePlante (@izobashi) of Trend Micro's Zero Day InitiativeZDI-23-1602
HistoryNov 14, 2023 - 12:00 a.m.

Apple macOS Hydra ABC File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

2023-11-1400:00:00
Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
www.zerodayinitiative.com
8
macos
hydra
file parsing
information disclosure
vulnerability
remote attack
sensitive information
attack vector
implementation
flaw
crafted data
abc image
buffer overflow
arbitrary code

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.9 Medium

AI Score

Confidence

High

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

25.7%

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apple macOS. Interaction with the Hydra framework is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the Hydra framework. Crafted data in an ABC image can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.9 Medium

AI Score

Confidence

High

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

25.7%