Privilege escalation in Marvell Avastar
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-6496 |
| CWE-ID | CWE-119 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Avastar 88W8897 Hardware solutions / Firmware Avastar 88W8801 Hardware solutions / Firmware Avastar 88W8797 Hardware solutions / Firmware Avastar 88W8787 Hardware solutions / Firmware |
| Vendor | Marvell Technology |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Memory corruption
EUVDB-ID: #VU17381
Risk: Medium
CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-6496
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows an adjacent unauthenticated attacker to execute arbitrary code on the host system.
The weakness exists due to a block pool memory overflow during Wi-Fi network scans. An adjacent attacker within Wi-Fi radio range can overwrite certain block pool data structures to intercept network traffic or execute arbitrary code on a system with a vulnerable Marvell SoC.
Install update from vendor's website.
Vulnerable software versionsAvastar 88W8897: All versions
Avastar 88W8801: All versions
Avastar 88W8797: All versions
Avastar 88W8787: All versions
External linkshttp://kb.cert.org/vuls/id/730261/
http://ru.scribd.com/document/398350818/WiFi-CVE-2019-6496-Marvell-s-Statement
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
