The Citizen Lab discovery exposed three zero-day exploits ((CVE-2016-4655, CVE-2016-4656, CVE-2016-4657)) used by тАЬPegasusтАЭ, a lawful interception cyberespionage tool developed by the Israeli-based NSO Group and sold to government agencies (UAE Human Rights Defender (Ahmed Mansoor)).
Vulnerable component: Apple iOS
CVSSv3 score: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to a boundary error when processing a malicious application. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with SYSTEM privileges.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note: the vulnerability was being actively exploited.
Known APT campaigns:
UAE Human Rights Defender Ahmed Mansoor breach
Trident was used to install тАЬPegasusтАЭ, a lawful interception cyberespionage tool developed by the Israeli-based NSO Group and sold to government agencies.