CVE-2019-8645 Information disclosure in macOS

What is CVE-2019-8645?

CVE-2019-8645 is a medium-severity vulnerability in Apple Mac Os X, published on 27 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue existed in the handling of encrypted Mail. This issue was addressed with improved isolation of MIME in Mail. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. An attacker in a privileged network position may be able to intercept the contents of S/MIME-encrypted e-mail.

Which versions are affected by CVE-2019-8645?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2019-8645?

No fix has been published for CVE-2019-8645 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-8645 being exploited?

There is no known exploitation of CVE-2019-8645 in the wild and no public exploit code.

Other vulnerabilities in Apple Mac Os X

• CVE-2014-7169 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2014-6271 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2012-1823 PHP-CGI Query String Parameter Exploited Critical 9.8
• CVE-2021-30713 Apple macOS Unspecified Exploited High 7.8
• CVE-2019-8526 Apple macOS Use-After-Free Exploited High 7.8

All Apple Mac Os X vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-m37v-2pxx-f5hm.