SB2019021418 - OpenSUSE Linux update for rmt-server

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Null pointer dereference (CVE-ID: CVE-2018-14404)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists in the xmlXPathCompOpEval() function, as defined in the path.c source code file due to improper parsing of invalid XPath expressions in the XPATH_OP_AND and XPATH_OP_OR cases. A remote attacker can send a specially crafted request that submits malicious input to an application that is using the affected library, trigger a NULL pointer dereference and cause the application to crash.

2) Cross-site scripting (CVE-ID: CVE-2018-16468)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to unsanitized JavaScript that is included in sanitized output. 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.

3) Resource exhaustion (CVE-ID: CVE-2018-16470)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to resource exhaustion condition in the multipart parser when processing malicious input. A remote attacker can send a custom request, cause the parser to use an excessive amount of CPU resources and cause the service to crash.

Remediation

Install update from vendor's website.

References

• https://lists.opensuse.org/opensuse-security-announce/2019-02/msg00026.html