Ceph up to 13.2.4 Debug Logging Password information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

A vulnerability was found in Ceph up to 13.2.4. It has been rated as critical. This issue affects some unknown processing of the component Debug Logging. The manipulation with an unknown input leads to a information disclosure vulnerability (Password). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Ceph does not properly sanitize encryption keys in debug logging for v4 auth. This results in the leaking of encryption key information in log files via plaintext. Versions up to v13.2.4 are vulnerable.

The bug was discovered 01/25/2019. The weakness was presented 01/28/2019 as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2018-16889 since 09/11/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 3 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 277635 (Fedora Security Update for ceph (FEDORA-2019-6a2e72916a)).

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

See 129742 and 129745 for similar entries.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Password
Class: Information disclosure / Password
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

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

09/11/2018 🔍
01/09/2019 +120 days 🔍
01/25/2019 +16 days 🔍
01/28/2019 +3 days 🔍
01/28/2019 +0 days 🔍
01/29/2019 +1 days 🔍
07/03/2023 +1616 days 🔍

Sourcesinfo

Advisory: RHSA-2019:2538
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-16889 (🔍)
SecurityFocus: 106528 - Redhat Ceph Storage CVE-2018-16889 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 01/29/2019 09:32
Updated: 07/03/2023 15:17
Changes: 01/29/2019 09:32 (63), 05/06/2020 12:44 (4), 07/03/2023 15:12 (3), 07/03/2023 15:17 (12)
Complete: 🔍

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