Ceph cephx Auth Protocol Message improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Ceph. The impacted element is an unknown function of the component cephx Auth Protocol. The manipulation as part of Message leads to improper authentication. This vulnerability is traded as CVE-2018-1129. Access to the local network is required for this attack to succeed. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Ceph (the affected version is unknown). It has been rated as critical. This issue affects an unknown code of the component cephx Auth Protocol. The manipulation as part of a Message leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.

The bug was discovered 07/30/2018. The weakness was shared 07/10/2018 (Website). It is possible to read the advisory at tracker.ceph.com. The identification of this vulnerability is CVE-2018-1129 since 12/04/2017. The exploitation is known to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 111364 (RHEL 7 : Red Hat Ceph Storage 2.5 (RHSA-2018:2261)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176529 (Debian Security Update for ceph (DSA 4339-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111364) and SecurityFocus (BID 104742†). The entries VDB-116193, VDB-121129, VDB-121138 and VDB-122298 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111364
Nessus Name: RHEL 7 : Red Hat Ceph Storage 2.5 (RHSA-2018:2261)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

12/04/2017 🔍
07/09/2018 +217 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/11/2018 +1 days 🔍
07/25/2018 +14 days 🔍
07/27/2018 +2 days 🔍
07/30/2018 +3 days 🔍
04/06/2023 +1711 days 🔍

Sourcesinfo

Product: github.com

Advisory: RHSA-2018:2261
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1129 (🔍)
GCVE (CVE): GCVE-0-2018-1129
GCVE (VulDB): GCVE-100-121139

OVAL: 🔍

SecurityFocus: 104742 - Red Hat Ceph CVE-2018-10861 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 07/11/2018 10:57
Updated: 04/06/2023 08:46
Changes: 07/11/2018 10:57 (73), 03/01/2020 19:20 (6), 04/06/2023 08:44 (5), 04/06/2023 08:46 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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