CUPS up to 2.2.5 scheduler/ipp.c add_job input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in CUPS up to 2.2.5. This affects the function add_job of the file scheduler/ipp.c. Such manipulation leads to input validation. This vulnerability is referenced as CVE-2017-18248. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in CUPS up to 2.2.5 (Printing Software). Affected by this issue is the function add_job of the file scheduler/ipp.c. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

The add_job function in scheduler/ipp.c in CUPS before 2.2.6, when D-Bus support is enabled, can be crashed by remote attackers by sending print jobs with an invalid username, related to a D-Bus notification.

The bug was discovered 10/16/2017. The weakness was published 03/26/2018 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2017-18248 since 03/26/2018. The attack may be launched remotely. A simple authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 161 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 108914 (Fedora 27 : 1:cups (2018-99f551e4ff)), 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 197201 (Ubuntu Security Notification for Cups Vulnerabilities (USN-3713-1)).

Upgrading to version 2.2.6 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (108914). Similar entries are available at VDB-122780, VDB-129051 and VDB-129052. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 3.1
VulDB Temp Score: 2.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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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: 108914
Nessus Name: Fedora 27 : 1:cups (2018-99f551e4ff)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 60934
OpenVAS Name: Fedora Update for cups FEDORA-2018-99f551e4ff
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: CUPS 2.2.6
Patch: github.com

Timelineinfo

10/16/2017 🔍
03/26/2018 +161 days 🔍
03/26/2018 +0 days 🔍
03/26/2018 +0 days 🔍
03/27/2018 +1 days 🔍
04/06/2018 +10 days 🔍
04/10/2018 +4 days 🔍
02/24/2023 +1781 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-99f551e4ff
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-18248 (🔍)
GCVE (CVE): GCVE-0-2017-18248
GCVE (VulDB): GCVE-100-115040
See also: 🔍

Entryinfo

Created: 03/27/2018 09:17
Updated: 02/24/2023 09:15
Changes: 03/27/2018 09:17 (75), 01/16/2020 19:08 (3), 02/24/2023 09:08 (6), 02/24/2023 09:13 (1), 02/24/2023 09:15 (1)
Complete: 🔍
Cache ID: 216:877:103

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