Vulnerability identifier: #VU23050
Vulnerability risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla NSS
Universal components / Libraries /
Libraries used by multiple products
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the NSC_EncryptUpdate() function in /lib/softoken/pkcs11c.c, when performing padding operations in Mozilla NSS. A remote attacker can pass specially crafted data to the affected application, trigger out-of-bounds write and execute arbitrary code on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla NSS: 3.0.1 - 3.47
External links
http://hg.mozilla.org/projects/nss/rev/4c20de402b3901df0cde590a46be2ba49adc028e
http://hg.mozilla.org/projects/nss/rev/60bca7c6dc6dc44579b9b3e0fb62ca3b82d92eec
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.