CVE & CISA-KEV Catalog

CVE-2017-17689

MEDIUMEPSS 90th pctl

5.9

CVSS v3

Description

The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.

How to fix

Remediation Available

accountwizardUbuntu

Fixed in:4:15.12.3-0ubuntu1.1+esm1USN-7729-1

kdepimUbuntu

Fixed in:4:4.13.3-0ubuntu0.2+esm1USN-7729-1

Fixed in:4:15.12.3-0ubuntu1.1+esm1USN-7729-1

kf5-messagelibUbuntu

Fixed in:4:17.12.3-0ubuntu3+esm1USN-7730-1

kmailUbuntu

Fixed in:4:4.13.3-0ubuntu0.2+esm1USN-7729-1

Fixed in:4:15.12.3-0ubuntu1.1+esm1USN-7729-1

Fixed in:4:17.12.3-0ubuntu1+esm1USN-7731-1

Fixed in:4:19.12.3-0ubuntu1+esm1USN-7731-1

libkf5messageviewer5Ubuntu

Fixed in:4:15.12.3-0ubuntu1.1+esm1USN-7729-1

libkf5messageviewer5abi4Ubuntu

Fixed in:4:17.12.3-0ubuntu3+esm1USN-7730-1

libkf5mimetreeparser5abi2Ubuntu

Fixed in:4:17.12.3-0ubuntu3+esm1USN-7730-1

libkf5templateparser5Ubuntu

Fixed in:4:15.12.3-0ubuntu1.1+esm1USN-7729-1

libkf5templateparser5abi2Ubuntu

Fixed in:4:17.12.3-0ubuntu3+esm1USN-7730-1

libmessageviewer4Ubuntu

Fixed in:4:4.13.3-0ubuntu0.2+esm1USN-7729-1

libtemplateparser4Ubuntu

Fixed in:4:4.13.3-0ubuntu0.2+esm1USN-7729-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

4.22%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Exploit1

efail.de

Third-Party Advisory5

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.