obs-service-source_validator up to 0.6 RPM SPEC File command injection

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in obs-service-source_validator up to 0.6. This issue affects some unknown processing of the component RPM SPEC File Handler. The manipulation leads to command injection. This vulnerability is referenced as CVE-2017-9274. The attack can only be performed from a local environment. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in obs-service-source_validator up to 0.6. It has been rated as critical. This issue affects an unknown functionality of the component RPM SPEC File Handler. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A shell command injection in the obs-service-source_validator before 0.7 could be used to execute code as the packager when checking RPM SPEC files with specific macro constructs.

The bug was discovered 07/17/2017. The weakness was published 03/01/2018 (Website). It is possible to read the advisory at lists.opensuse.org. The identification of this vulnerability is CVE-2017-9274 since 05/29/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 183 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106082 (Fedora 26 : osc / osc-source_validator (2018-903354c26c)), 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 170526 (SUSE Enterprise Linux Security Update for OBS toolchain (SUSE-SU-2017:3253-1)).

Upgrading to version 0.7 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106082). Similar entry is available at VDB-113959. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (SUSE): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106082
Nessus Name: Fedora 26 : osc / osc-source_validator (2018-903354c26c)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71542
OpenVAS Name: Fedora Update for osc FEDORA-2018-ac8aab1f7a
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: obs-service-source_validator 0.7

Timelineinfo

05/29/2017 🔍
07/17/2017 +49 days 🔍
01/16/2018 +183 days 🔍
01/17/2018 +1 days 🔍
03/01/2018 +43 days 🔍
03/01/2018 +0 days 🔍
03/02/2018 +1 days 🔍
02/16/2023 +1812 days 🔍

Sourcesinfo

Advisory: lists.opensuse.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9274 (🔍)
GCVE (CVE): GCVE-0-2017-9274
GCVE (VulDB): GCVE-100-113975
See also: 🔍

Entryinfo

Created: 03/02/2018 07:57
Updated: 02/16/2023 12:19
Changes: 03/02/2018 07:57 (72), 01/09/2020 17:02 (2), 02/16/2023 12:19 (14)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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