Memory corruption in Mozilla Firefox



Published: 2017-03-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-5410
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor Mozilla

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory corruption

EUVDB-ID: #VU5928

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-5410

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause denial of service attack.

The vulnerability exists due memory corruption during garbage collection of JavaScript due errors in how incremental sweeping is managed for memory cleanup. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger segmentation fault and cause denial of service attack.

Successful exploitation of the vulnerability may allow an attacker to crash the victim’s browser.

Mitigation

Update to Firefox 52.

Vulnerable software versions

Mozilla Firefox: 50.0 - 51.0.3

CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2017-05/#CVE-2017-5400


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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.



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