Cyrus IMAP Server up to 2.5.12/3.0.9 httpd memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cyrus IMAP Server up to 2.5.12/3.0.9. It has been declared as critical. Affected by this issue is some unknown functionality of the component httpd. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2019-11356. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cyrus IMAP Server up to 2.5.12/3.0.9. It has been declared as critical. This vulnerability affects some unknown processing of the component httpd. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name.

The weakness was disclosed 06/03/2019 (Website). The advisory is available at seclists.org. This vulnerability was named CVE-2019-11356 since 04/19/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 176917 (Debian Security Update for cyrus-imapd (DSA 4458-1)).

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Memory corruption
CWE: CWE-119
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

04/19/2019 🔍
06/03/2019 +45 days 🔍
06/04/2019 +1 days 🔍
09/26/2023 +1575 days 🔍

Sourcesinfo

Advisory: RHSA-2019:1771
Status: Not defined

CVE: CVE-2019-11356 (🔍)
GCVE (CVE): GCVE-0-2019-11356
GCVE (VulDB): GCVE-100-135862

Entryinfo

Created: 06/04/2019 11:50
Updated: 09/26/2023 11:09
Changes: 06/04/2019 11:50 (54), 06/18/2020 16:54 (1), 09/26/2023 11:09 (3)
Complete: 🔍
Cache ID: 216::103

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