Security restrictions bypass in Microsoft Research JavaScript Cryptography Library
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-8319 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
MSR JavaScript Cryptography Library Universal components / Libraries / Libraries used by multiple products |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Security restrictions bypass
EUVDB-ID: #VU13791
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-8319
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists in MSR JavaScript Cryptography Library due to incorrect arithmetic computations. A remote unauthenticated attacker can craft a signature, without the need of the corresponding key, and mimic the entity associated with the public/private key pair to bypass security restrictions.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMSR JavaScript Cryptography Library: All versions
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8319
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
