Dovecot up to 2.3.9.1 Push Notification Driver Email null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Dovecot up to 2.3.9.1 and classified as problematic. Impacted is an unknown function of the component Push Notification Driver. The manipulation as part of Email leads to null pointer dereference. This vulnerability is referenced as CVE-2019-19722. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Dovecot up to 2.3.9.1 (Mail Server Software). It has been rated as problematic. This issue affects an unknown part of the component Push Notification Driver. The manipulation as part of a Email leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

The weakness was published 12/13/2019 (oss-sec). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2019-19722 since 12/11/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.3.9.2 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: Null pointer dereference
CWE: CWE-476 / CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Dovecot 2.3.9.2

Timelineinfo

12/11/2019 🔍
12/13/2019 +2 days 🔍
12/14/2019 +1 days 🔍
03/12/2024 +1550 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-5898f4f935
Status: Not defined

CVE: CVE-2019-19722 (🔍)
GCVE (CVE): GCVE-0-2019-19722
GCVE (VulDB): GCVE-100-147185

Entryinfo

Created: 12/14/2019 15:01
Updated: 03/12/2024 08:11
Changes: 12/14/2019 15:01 (39), 12/14/2019 15:06 (18), 03/12/2024 08:11 (4)
Complete: 🔍
Cache ID: 216::103

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