VDB-134480 · CVE-2019-11499 · Qualys 197444

Dovecot up to 2.3.5.2 Submission-Login input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Dovecot up to 2.3.5.2. Impacted is an unknown function of the component Submission-Login. Such manipulation leads to input validation. This vulnerability is referenced as CVE-2019-11499. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Dovecot up to 2.3.5.2 (Mail Server Software). Affected by this issue is an unknown part of the component Submission-Login. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message.

The bug was discovered 04/30/2019. The weakness was published 05/08/2019 (Website). The advisory is shared for download at lists.fedoraproject.org. This vulnerability is handled as CVE-2019-11499 since 04/24/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197444 (Ubuntu Security Notification for Dovecot Vulnerabilities (USN-3961-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entry is available at VDB-134479. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/24/2019 🔍
04/30/2019 +6 days 🔍
05/08/2019 +8 days 🔍
05/09/2019 +1 days 🔍
09/15/2023 +1590 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-1b61a528dd
Status: Confirmed

CVE: CVE-2019-11499 (🔍)
GCVE (CVE): GCVE-0-2019-11499
GCVE (VulDB): GCVE-100-134480
See also: 🔍

Entryinfo

Created: 05/09/2019 06:56
Updated: 09/15/2023 08:18
Changes: 05/09/2019 06:56 (57), 06/08/2020 09:40 (2), 09/15/2023 08:18 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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