Information disclosure in Bleach - CVE-2018-7753
Published: March 13, 2018 / Updated: March 13, 2018
Vulnerability identifier: #VU10962
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2018-7753
CWE-ID: CWE-229
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
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.
Affected software
Bleach
Ubuntu
Fedora
python-bleach (Ubuntu package)
python-bleach
Ubuntu
Fedora
python-bleach (Ubuntu package)
python-bleach
How to mitigate CVE-2018-7753
Update to version 2.1.3.
python-bleach (Ubuntu package) - addressed in versions 1.4.2-1ubuntu0.1~esm1, 2.1.2-1ubuntu0.1~esm1, 3.1.1-1ubuntu0.1~esm1
python-bleach - addressed in versions 2.1.3-1.fc27, 2.1.3-1.fc28
python-bleach - addressed in versions 2.1.3-1.fc27, 2.1.3-1.fc28