9.8Kritisch KEV

CVE-2019-16928Exim Out-of-bounds Write Vulnerability

exim exim; canonical ubuntu linux; debian debian linux; fedoraproject fedora Veröffentlicht: 2019-09-27 23:07 (vor 7 Jahren)

Bekannt ausgenutzt — Exim Out-of-bounds Write Vulnerability

CISA hat am 03.03.2022 bestätigt, dass diese Schwachstelle in echten Angriffen genutzt wird. Frist für US-Bundesbehörden: 17.03.2022.

Erforderliche Maßnahme: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-16928

Beschreibung

Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.

Schwachstellentyp (CWE): CWE-787

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Hersteller	Produkt	Versionen
canonical	ubuntu linux	19.04
debian	debian linux	10.0
exim	exim	4.92 – ≤ 4.92.2
fedoraproject	fedora	29

Referenzen und Patches

https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html Vendor Advisory
https://bugs.exim.org/show_bug.cgi?id=2449 Issue TrackingPatchVendor Advisory
https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f Patch
[oss-security] 20190928 Exim CVE-2019-16928 RCE using a heap-based buffer overflow mailing-listExploitMailing ListMitigation
[oss-security] 20190928 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow mailing-listExploitMailing ListThird Party Advisory
[oss-security] 20190928 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow mailing-listMailing ListThird Party Advisory
DSA-4536 vendor-advisoryThird Party Advisory
USN-4141-1 vendor-advisoryThird Party Advisory
[oss-security] 20190929 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow mailing-listMailing ListThird Party Advisory
20190929 [SECURITY] [DSA 4536-1] exim4 security update mailing-listMailing ListThird Party Advisory
FEDORA-2019-006dfc94cd vendor-advisoryRelease Notes
FEDORA-2019-e080507ba5 vendor-advisoryRelease Notes
FEDORA-2019-d778bd4137 vendor-advisoryRelease Notes
GLSA-202003-47 vendor-advisoryThird Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928 US Government Resource

CPE-Treffer (NVD) (6)

cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* ≥ 4.92 ≤ 4.92.2
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

CVSS-Score

9.8Kritisch

Quelle: CISA-ADP · CVSS 3.1

Angriffsvektor: Netzwerk
Komplexität: Niedrig
Rechte erforderlich: Keine
Benutzerinteraktion: Keine
Geltungsbereich: Unverändert
Vertraulichkeit: Hoch
Integrität: Hoch
Verfügbarkeit: Hoch

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Alle Scores (4)

CISA-ADP	CVSS 3.1	9.8Kritisch
nvd	CVSS 3.1	9.8Kritisch
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	9.8Kritisch
nvd	CVSS 2.0	7.5Hoch

EPSS (Ausnutzungswahrscheinlichkeit in 30 Tagen)

41.64%

höher als 99 % aller CVEs

CISA-Bewertung (SSVC)

Ausnutzung: active
Automatisierbar: yes
Technische Auswirkung: total

Zeitverlauf

ID reserviert2019-09-27
Veröffentlicht2019-09-27 23:07
Bei IP-DB eingegangen2026-10-24 23:33
In KEV aufgenommen2022-03-03
Zuletzt aktualisiert2026-06-17 05:22

Vergeben von (CNA): mitre
NVD-Status: Analyzed

In der Quelle ansehen: CVE.org · NVD

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