CVE-2017-13871
It allows remote attackers to read cleartext e-mail content (for which S/MIME encryption was intended) by leveraging the lack of installation of an S/MIME certificate by the recipient.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in certain Apple products. macOS before 10.13.2 is affected. The issue involves the "Mail" component. It allows remote attackers to read cleartext e-mail content (for which S/MIME encryption was intended) by leveraging the lack of installation of an S/MIME certificate by the recipient.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.48% probability · 72th percentile
- CISA KEV
- Not listed
- Affected
- apple/mac os x
- Source
- product-security@apple.com
References
- http://www.securityfocus.com/bid/102099Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039966Third Party Advisory, VDB Entry
- https://support.apple.com/HT208331Vendor Advisory
- http://www.securityfocus.com/bid/102099Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039966Third Party Advisory, VDB Entry
- https://support.apple.com/HT208331Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.