Sandstorm Cap'n Proto up to 0.4.1.0/0.5.1.0 Element resource consumption

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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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Sandstorm Cap'n Proto up to 0.4.1.0/0.5.1.0. This affects an unknown part of the component Element Handler. Such manipulation leads to resource consumption. This vulnerability is referenced as CVE-2015-2312. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Sandstorm Cap'n Proto up to 0.4.1.0/0.5.1.0. Affected by this issue is an unknown function of the component Element Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 allows remote peers to cause a denial of service (CPU and possibly general resource consumption) via a list with a large number of elements.

The bug was discovered 03/17/2015. The weakness was published 08/09/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2015-2312 since 03/17/2015. 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 T1499.

The vulnerability was handled as a non-public zero-day exploit for at least 876 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 0.4.1.1 or 0.5.1.1 eliminates this vulnerability.

Similar entries are available at VDB-105138, VDB-105139 and VDB-105141. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
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: Resource consumption
CWE: CWE-400 / CWE-404
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: Cap'n Proto 0.4.1.1/0.5.1.1
Patch: github.com

Timelineinfo

03/17/2015 🔍
03/17/2015 +0 days 🔍
08/09/2017 +876 days 🔍
08/09/2017 +0 days 🔍
08/10/2017 +1 days 🔍
12/15/2022 +1953 days 🔍

Sourcesinfo

Advisory: 104870608fde3c698483fdef6b97f093fc15685d
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-2312 (🔍)
GCVE (CVE): GCVE-0-2015-2312
GCVE (VulDB): GCVE-100-105140
See also: 🔍

Entryinfo

Created: 08/10/2017 08:30
Updated: 12/15/2022 14:43
Changes: 08/10/2017 08:30 (60), 11/05/2019 17:24 (1), 12/15/2022 14:43 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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