SB2018010812 - Red Hat update for thunderbird
Published: January 8, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Spoofing attack (CVE-ID: CVE-2017-7829)
The vulnerability allows a remote attacker to spoof browser address bar.
The vulnerability exists due to encoded null character is cut off in message header display. A remote attacker can spoof the sender's email address and display an arbitrary sender address to the email recipient.
2) Cross-site scripting (CVE-ID: CVE-2017-7846)
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. 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) Memory leak (CVE-ID: CVE-2017-7847)
The disclosed vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The vulnerability exists due to leak of local path string from specially crafted CSS and RSS feed. A remote attacker can reveal local path strings, which may contain user name.
4) Spoofing attack (CVE-ID: CVE-2017-7848)
The disclosed vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to insufficient input validation of user-supplied values in HTTP parameters. A remote attacker can inject new lines into the created email structure via specially crafted RSS fields and modify the message body.
Remediation
Install update from vendor's website.