#VU13556 Memory leak in Mozilla Thunderbird - CVE-2018-12374


Vulnerability identifier: #VU13556

Vulnerability risk: Low

CVSSv4.0: 2.7 [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/E:U/U:Clear]

CVE-ID: CVE-2018-12374

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Thunderbird
Client/Desktop applications / Messaging software

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to plaintext of decrypted emails can leak through. A remote attacker can submit an embedded form by press enter key within a text input field, submit an embedded form, trigger memory leak and gain access to arbitrary data.

Mitigation
Update to version 59.2.

Vulnerable software versions

Mozilla Thunderbird: 52.8

External links
https://www.mozilla.org/en-US/security/advisories/mfsa2018-18/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability


Gentoo update for Mozilla Thunderbird
Red Hat update for Mozilla Firefox
Red Hat update for Mozilla Firefox
Arch Linux update for thunderbird
Debian update for thunderbird
OpenSUSE Linux update for Mozilla Thunderbird
SUSE Linux update for MozillaThunderbird
Slackware Linux update for mozilla-thunderbird
Multiple vulnerabilities in Mozilla Thunderbird