CVE-2019-18849
tnef - security update
5.5
MEDIUM
CVSS 3.1
EPSS 1.2%
Description
In tnef before 1.4.18, an attacker may be able to write to the victim's .ssh/authorized_keys file via an e-mail message with a crafted winmail.dat application/ms-tnef attachment, because of a heap-based buffer over-read involving strdup.
How to fix CVE-2019-18849
To remediate CVE-2019-18849, upgrade the affected package to a fixed version below.
- Debian/tnef—upgrade to 1.4.18-1 or later
- —upgrade to 1.4.9-1+deb8u4 or later
- —upgrade to 1.4.12-1.2+deb9u1 or later
Is CVE-2019-18849 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.4.18-1
- from 0, < 1.4.9-1+deb8u4
- from 0, < 1.4.12-1.2+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |