CVE-2019-11500
UnknownEPSS 62.32%
Last modified
CVE-2019-11500 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 62.32% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dovecot | Dovecot | < 2.2.36.4 |
| Dovecot | Dovecot | >= 2.3.0, < 2.3.7.2 |
| Dovecot | Pigeonhole | < 0.5.7.2 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 30 |
References
- http://www.openwall.com/lists/oss-security/2019/08/28/3Exploit, Mailing List, Third Party Advisory
- https://dovecot.org/pipermail/dovecot-news/2019-August/000417.htmlPatch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/08/msg00035.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201908-29Third Party Advisory
- https://www.dovecot.org/security.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2019/08/28/3Exploit, Mailing List, Third Party Advisory
- https://dovecot.org/pipermail/dovecot-news/2019-August/000417.htmlPatch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/08/msg00035.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201908-29Third Party Advisory
- https://www.dovecot.org/security.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-11500?
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.
How severe is CVE-2019-11500?
Severity scoring for CVE-2019-11500 is pending analysis. The EPSS model estimates a 62.32% probability of exploitation in the next 30 days.
How do I fix CVE-2019-11500?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-11495In Couchbase Server 5.1.1, the cookie used for intra-node co…9.8
- CVE-2019-11496In versions of Couchbase Server prior to 5.0, the bucket nam…9.1
- CVE-2019-11497In Couchbase Server 5.0.0, when an invalid Remote Cluster Ce…7.5
- CVE-2019-11498WavpackSetConfiguration64 in pack_utils.c in libwavpack.a in…6.5
- CVE-2019-11499In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the sub…7.5
- CVE-2019-1150A remote code execution vulnerability exists when the Window…8.8
- CVE-2019-11502snap-confine in snapd before 2.38 incorrectly set the owners…
- CVE-2019-11503snap-confine as included in snapd before 2.39 did not guard …
- CVE-2019-11504Zotonic before version 0.47 has mod_admin XSS.
- CVE-2019-11505In GraphicsMagick from version 1.3.8 to 1.4 snapshot-2019040…8.8
- CVE-2019-11506In GraphicsMagick from version 1.3.30 to 1.4 snapshot-201904…8.8
- CVE-2019-11507In Pulse Secure Pulse Connect Secure (PCS) 8.3.x before 8.3R…6.1
Are you affected by CVE-2019-11500?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST