Spoofing attack in Mozilla Thunderbird - CVE-2017-7829

Vulnerability identifier: #VU9734

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-7829

CWE-ID: CWE-451

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

Mozilla Thunderbird
Debian Linux
Gentoo Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power
SUSE Linux
Opensuse

Update to version 52.5.2.

• https://www.mozilla.org/en-US/security/advisories/mfsa2017-30/

• Multiple vulnerabilities in Mozilla Thunderbird
• openSUSE update for MozillaThunderbird
• SUSE Linux update for Mozilla Thunderbird
• Debian update for thunderbird
• Gentoo update for Mozilla Thunderbird
• Red Hat update for thunderbird