SB2019050657 - Cross-site scripting in ruby (Alpine package)
Published: May 6, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cross-site scripting (CVE-ID: CVE-2019-8323)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in Gem::GemcutterUtilities#with_response when displaying data in the API. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=26cc34eb049b628c4c35af1f61ebd8437596d8ca
- https://git.alpinelinux.org/aports/commit/?id=bdcdc921e8387c8a9592aa14cf1d23f133503163
- https://git.alpinelinux.org/aports/commit/?id=58244868e7a471ddf96e8d0ece88c240e34bff1c
- https://git.alpinelinux.org/aports/commit/?id=ac00a3ec880f7f8f92ff425d4e08f233bd5654c9