evad3rs evasi0n7 1.0.3 on iOS System Call privileges management

Summaryinfo

A vulnerability marked as problematic has been reported in evad3rs evasi0n7 1.0.3 on iOS. This affects an unknown function of the component System Call Handler. Performing a manipulation results in privileges management. Furthermore, there is an exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in evad3rs evasi0n7 1.0.3 on iOS (iOS App Software). This affects an unknown code of the component System Call Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 01/12/2014 by winocm as Evading iOS Security as not defined posting (Website). The advisory is shared at winocm.com. The public release happened without involvement of evad3rs. The exploitability is told to be difficult. An attack has to be approached locally. A authentication is needed for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed by winocm and been published immediately after the advisory. The exploit is shared for download at winocm.com. It is declared as proof-of-concept. The code used by the exploit is:

main() {
   	syscall(0, 0x41414141, -1);
}

Upgrading to version 1.0.4 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (102285†). Further details are available at twitter.com. The entry VDB-12010 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• iOS App Software

Vendor

• evad3rs

Name

• evasi0n7

Version

• 1.0.3

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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