Overview

A vulnerability, which was classified as problematic, has been found in kkFileView. Affected by this issue is the function setWatermarkAttribute of the file /picturesPreview. The manipulation leads to cross site scripting. Using CWE to declare the problem leads to CWE-79. The weakness was released 12/25/2022 as I674AC. The advisory is shared for download at gitee.com. This vulnerability is handled as CVE-2022-4740. The attack may be launched remotely. Technical details are available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The current price for an exploit might be approx. USD $0-$5k at the moment. The MITRE ATT&CK project declares the attack technique as T1059.007. It is declared as proof-of-concept. The exploit is available at gitee.com. As 0-day the estimated underground price was around $0-$5k. A possible mitigation has been published even before and not after the disclosure of the vulnerability. [Details]

IOB - Indicator of Behavior (750)

IOC - Indicator of Compromise (12)

These indicators of compromise highlight associated network ranges which are known to be part of research and attack activities.

TTP - Tactics, Techniques, Procedures (1)

Tactics, techniques, and procedures summarize the suspected MITRE ATT&CK techniques used. This data is unique as it uses our predictive model for actor profiling.

IOA - Indicator of Attack (1)

These indicators of attack list the potential fragments used for technical activities like reconnaissance, exploitation, privilege escalation, and exfiltration. This data is unique as it uses our predictive model for actor profiling.