CVE-2020-10957 — NULL Pointer Dereference in Dovecot

CWE-476 — NULL Pointer DereferenceCWE-400 — Uncontrolled Resource Consumption9 documents7 sources
Severity
7.5HIGHNVD
EPSS
8.1%
top 7.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
DovecotDebian Dovecot
Timeline
PublishedMay 18
Latest updateMay 24

Description

In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/dovecot< dovecot 1:2.3.10.1+dfsg1-1 (bookworm)
▶NVDdovecot/dovecot< 2.3.10.1
▶Debiandovecot/dovecot< 1:2.3.10.1+dfsg1-1+3
▶Ubuntudovecot/dovecot< 1:2.3.7.2-1ubuntu3.1

🔴Vulnerability Details

3
GHSA
GHSA-q55g-848v-f654: In Dovecot before 2↗2022-05-24
▶
OSV
dovecot vulnerabilities↗2020-05-18
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OSV
CVE-2020-10957: In Dovecot before 2↗2020-05-18
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📋Vendor Advisories

3
Ubuntu
Dovecot vulnerabilities↗2020-05-18
▶
Red Hat
dovecot: malformed NOOP commands leads to DoS↗2020-05-18
▶
Debian
CVE-2020-10957: dovecot - In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-10957 dovecot: malformed NOOP commands leads to DoS [fedora-all]↗2020-05-18
▶
Bugzilla
CVE-2020-10957 dovecot: malformed NOOP commands leads to DoS↗2020-05-11
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