Information disclosure in Mozilla Bleach



| Updated: 2018-03-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-7753
CWE-ID CWE-229
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Bleach
Universal components / Libraries / Libraries used by multiple products

Vendor Mozilla

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU10962

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-7753

CWE-ID: CWE-229 - Improper Handling of Values

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to bypass sanitization and access sensitive information on the target system.

The weakness exists due to insufficient URI value sanitization. A remote attacker can submit a specially crafted value containing character entities, bypass value sanitization and gain access to potentially sensitive information.

Mitigation

Update to version 2.1.3.

Vulnerable software versions

Bleach: 2.1.1 - 2.1.2

CPE2.3 External links

https://github.com/mozilla/bleach/pull/356


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.



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