Cloud Foundry Diego up to 2.7.x ZIP File unrestricted upload

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 (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Cloud Foundry Diego up to 2.7.x. This vulnerability affects unknown code. Such manipulation as part of ZIP File leads to unrestricted upload. This vulnerability is uniquely identified as CVE-2018-1265. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cloud Foundry Diego up to 2.7.x (Cloud Software) and classified as critical. Affected by this issue is an unknown code block. The manipulation as part of a ZIP File leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Cloud Foundry Diego, release versions prior to 2.8.0, does not properly sanitize file paths in tar and zip files headers. A remote attacker with CF admin privileges can upload a malicious buildpack that will allow a complete takeover of a Diego Cell VM and access to all apps running on that Diego Cell.

The bug was discovered 06/05/2018. The weakness was disclosed 06/06/2018 (Website). The advisory is shared for download at cloudfoundry.org. This vulnerability is handled as CVE-2018-1265 since 12/06/2017. The attack may be launched remotely. The requirement for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1608.002.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.8.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

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

NVD Base Score: 7.2
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: Unrestricted upload
CWE: CWE-434 / 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: Diego 2.8.0

Timelineinfo

12/06/2017 🔍
06/05/2018 +181 days 🔍
06/06/2018 +0 days 🔍
06/06/2018 +0 days 🔍
06/07/2018 +1 days 🔍
02/15/2020 +618 days 🔍

Sourcesinfo

Advisory: cloudfoundry.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1265 (🔍)
GCVE (CVE): GCVE-0-2018-1265
GCVE (VulDB): GCVE-100-119012

Entryinfo

Created: 06/07/2018 08:24
Updated: 02/15/2020 13:29
Changes: 06/07/2018 08:24 (59), 02/15/2020 13:29 (2)
Complete: 🔍
Cache ID: 216::103

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