VDB-131832 · CVE-2018-19971 · BID 107518

JFrog Artifactory Pro 6.5.9 SAML SSO Signature Validator signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in JFrog Artifactory Pro 6.5.9. This affects an unknown function of the component SAML SSO Signature Validator. The manipulation results in signature verification. This vulnerability is reported as CVE-2018-19971. The attack can be launched remotely. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in JFrog Artifactory Pro 6.5.9. Affected is an unknown functionality of the component SAML SSO Signature Validator. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

JFrog Artifactory Pro 6.5.9 has Incorrect Access Control.

The bug was discovered 03/17/2019. The weakness was disclosed 03/17/2019 by Timo Lindfors as CVE-2018-19971: JFrog Artifactory Pro SAML SSO signature validation error as confirmed mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. The public release has been coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2018-19971 since 12/08/2018. It is possible to launch the attack remotely. The successful exploitation needs a authentication. Technical details are unknown but a public exploit is available. The advisory points out:

The SAML SSO addon in Artifactory 6.5.9 does not properly validate the XML signature in the SAMLResponse field send to the URL /webapp/saml/loginResponse. An attacker can use this flaw to login as any user if they already can login as some user.

A public exploit has been developed by Timo Lindfors. The exploit is shared for download at github.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.5.13 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Timo Lindfors
Download: 🔍

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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Upgrade: Artifactory Pro 6.5.13

Timelineinfo

12/07/2018 🔍
12/08/2018 +1 days 🔍
12/17/2018 +9 days 🔍
03/17/2019 +90 days 🔍
03/17/2019 +0 days 🔍
03/19/2019 +2 days 🔍
08/01/2023 +1596 days 🔍

Sourcesinfo

Advisory: CVE-2018-19971: JFrog Artifactory Pro SAML SSO signature validation error
Researcher: Timo Lindfors
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2018-19971 (🔍)
GCVE (CVE): GCVE-0-2018-19971
GCVE (VulDB): GCVE-100-131832
SecurityFocus: 107518

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/19/2019 19:34
Updated: 08/01/2023 20:28
Changes: 03/19/2019 19:34 (67), 05/17/2020 09:58 (3), 08/01/2023 20:28 (4)
Complete: 🔍
Cache ID: 216::103

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