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…

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.

Scores

EPSS (exploitation in 30 days)

1.2% · top 31% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

• n/a
• CWE-125 (opens in a new tab)All about CWE-125 and its CVEs

Affected products

• n/a

  • affected n/a

References (7)

• https://github.com/verdammelt/tnef/pull/40 (opens in a new tab)x_refsource_MISCx_transferred
• https://github.com/verdammelt/tnef/compare/1.4.17...1.4.18 (opens in a new tab)x_refsource_MISCx_transferred
• [debian-lts-announce] 20191129 [SECURITY] [DLA 2005-1] tnef security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• FEDORA-2019-5f14b810f8 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• FEDORA-2019-815807c020 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• USN-4524-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• [debian-lts-announce] 20210823 [SECURITY] [DLA 2748-1] tnef security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2019-18849](https://trackcve.app/badge/CVE-2019-18849.svg)](https://trackcve.app/cve/CVE-2019-18849)

Record last updated 5 Aug 2024, 02:02 UTC.