CUPS up to 2.2.9 on Linux Web Interface Cookie 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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in CUPS up to 2.2.9 on Linux. Impacted is an unknown function of the component Web Interface. Such manipulation as part of Cookie leads to information disclosure. This vulnerability is traded as CVE-2018-4300. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in CUPS up to 2.2.9 on Linux (Printing Software) and classified as critical. Affected by this issue is some unknown functionality of the component Web Interface. The manipulation as part of a Cookie leads to a information disclosure vulnerability. 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. CVE summarizes:

The session cookie generated by the CUPS web interface was easy to guess on Linux, allowing unauthorized scripted access to the web interface when the web interface is enabled. This issue affected versions prior to v2.2.10.

The bug was discovered 08/14/2018. The weakness was shared 04/03/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2018-4300 since 01/02/2018. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 232 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.2.10 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CUPS 2.2.10

Timelineinfo

01/02/2018 🔍
08/14/2018 +224 days 🔍
04/03/2019 +232 days 🔍
04/04/2019 +1 days 🔍
08/21/2023 +1600 days 🔍

Sourcesinfo

Advisory: DLA 1936-1⛔
Status: Not defined

CVE: CVE-2018-4300 (🔍)
GCVE (CVE): GCVE-0-2018-4300
GCVE (VulDB): GCVE-100-132764
SecurityFocus: 107785

Entryinfo

Created: 04/04/2019 08:38
Updated: 08/21/2023 19:45
Changes: 04/04/2019 08:38 (60), 05/24/2020 10:49 (2), 08/21/2023 19:45 (6)
Complete: 🔍
Cache ID: 216::103

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