Multiple vulnerabilities in Microsoft Edge
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-2294 CVE-2022-2295 |
| CWE-ID | CWE-122 CWE-843 |
| Exploitation vector | Network |
| Public exploit | Vulnerability #1 is being exploited in the wild. |
| Vulnerable software Subscribe |
Microsoft Edge Client/Desktop applications / Web browsers |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Heap-based buffer overflow
EUVDB-ID: #VU64910
Risk: Critical
CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2022-2294
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within WebRTC implementation. A remote attacker can trick the victim ti visit a specially crafted website, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
Install update from vendor's website.
Vulnerable software versionsMicrosoft Edge: 79.0.309.71 - 103.0.1264.48
External linkshttp://chromereleases.googleblog.com/2022/07/extended-stable-channel-update-for.html
http://crbug.com/1341043
http://bugs.webkit.org/show_bug.cgi?id=242339
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-2294
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
2) Type Confusion
EUVDB-ID: #VU64911
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2295
CWE-ID:
CWE-843 - Type confusion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsMicrosoft Edge: 79.0.309.71 - 103.0.1264.48
External linkshttp://chromereleases.googleblog.com/2022/07/stable-channel-update-for-desktop.html
http://crbug.com/1336869
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-2295
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
