Cyrus IMAP up to 3.0.3 imap/mboxlist.c mboxlist_do_find LIST Command input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cyrus IMAP up to 3.0.3. This impacts the function mboxlist_do_find of the file imap/mboxlist.c. Executing a manipulation as part of LIST Command can lead to input validation. The identification of this vulnerability is CVE-2017-14230. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cyrus IMAP up to 3.0.3. It has been declared as problematic. This vulnerability affects the function mboxlist_do_find of the file imap/mboxlist.c. The manipulation as part of a LIST Command leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. CVE summarizes:

In the mboxlist_do_find function in imap/mboxlist.c in Cyrus IMAP before 3.0.4, an off-by-one error in prefix calculation for the LIST command caused use of uninitialized memory, which might allow remote attackers to obtain sensitive information or cause a denial of service (daemon crash) via a 'LIST "" "Other Users"' command.

The bug was discovered 09/10/2017. The weakness was shared 09/10/2017 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2017-14230 since 09/10/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 103268 (Fedora 26 : cyrus-imapd (2017-e4609f71f6)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276911 (Fedora Security Update for cyrus-imapd (FEDORA-2017-e4609f71f6)).

Upgrading to version 3.0.4 eliminates this vulnerability. A possible mitigation has been published 5 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103268). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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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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Nessus ID: 103268
Nessus Name: Fedora 26 : cyrus-imapd (2017-e4609f71f6)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for cyrus-imapd FEDORA-2017-e4609f71f6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: IMAP 3.0.4
Patch: github.com

Timelineinfo

09/10/2017 🔍
09/10/2017 +0 days 🔍
09/10/2017 +0 days 🔍
09/10/2017 +0 days 🔍
09/10/2017 +0 days 🔍
09/15/2017 +5 days 🔍
09/18/2017 +3 days 🔍
12/28/2022 +1927 days 🔍

Sourcesinfo

Advisory: 6bd33275368edfa71ae117de895488584678ac79
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14230 (🔍)
GCVE (CVE): GCVE-0-2017-14230
GCVE (VulDB): GCVE-100-106324

Entryinfo

Created: 09/10/2017 19:06
Updated: 12/28/2022 09:45
Changes: 09/10/2017 19:06 (68), 11/14/2019 12:03 (9), 12/28/2022 09:45 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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