Vulnerability CVE-2019-11500
Published: 2019-08-29

Description:
In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.

Type:

CWE-787

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Fedoraproject -> Fedora 
Dovecot -> Dovecot 
Dovecot -> Pigeonhole 
Debian -> Debian linux 

 References:
http://www.openwall.com/lists/oss-security/2019/08/28/3
https://dovecot.org/pipermail/dovecot-news/2019-August/000417.html
https://lists.debian.org/debian-lts-announce/2019/08/msg00035.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KVHY3MU2OK2EWZJFGNDSAOMD42L7DFPX/
https://security.gentoo.org/glsa/201908-29
https://www.dovecot.org/security.html
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