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Debian Security Advisory 4418-1

Debian Security Advisory 4418-1
Posted Mar 29, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4418-1 - A vulnerability was discovered in the Dovecot email server. When reading FTS or POP3-UIDL headers from the Dovecot index, the input buffer size is not bounds-checked. An attacker with the ability to modify dovecot indexes, can take advantage of this flaw for privilege escalation or the execution of arbitrary code with the permissions of the dovecot user. Only installations using the FTS or pop3 migration plugins are affected.

tags | advisory, arbitrary
systems | linux, debian
advisories | CVE-2019-7524
MD5 | 4e1a2f468792a0aeca021bb8b40fffcb

Debian Security Advisory 4418-1

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Hash: SHA512

- -------------------------------------------------------------------------
Debian Security Advisory DSA-4418-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
March 28, 2019 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : dovecot
CVE ID : CVE-2019-7524

A vulnerability was discovered in the Dovecot email server. When reading
FTS or POP3-UIDL headers from the Dovecot index, the input buffer size
is not bounds-checked. An attacker with the ability to modify dovecot
indexes, can take advantage of this flaw for privilege escalation or the
execution of arbitrary code with the permissions of the dovecot user.
Only installations using the FTS or pop3 migration plugins are affected.

For the stable distribution (stretch), this problem has been fixed in
version 1:2.2.27-3+deb9u4.

We recommend that you upgrade your dovecot packages.

For the detailed security status of dovecot please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/dovecot

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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