CCN-lite up to 1.x localrpc_parse vallen integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.87

Summaryinfo

A vulnerability was found in CCN-lite up to 1.x. It has been rated as critical. Impacted is the function localrpc_parse. The manipulation of the argument vallen as part of Variable leads to integer overflow. This vulnerability is documented as CVE-2017-12465. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in CCN-lite up to 1.x. It has been rated as critical. This issue affects the function localrpc_parse. The manipulation of the argument vallen as part of a Variable leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in CCN-lite before 2.00 allow context-dependent attackers to have unspecified impact via vectors involving the (1) vallen variable in the iottlv_parse_sequence function or (2) typ, vallen and i variables in the localrpc_parse function.

The bug was discovered 08/08/2017. The weakness was released 02/07/2018 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-12465 since 08/04/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

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.

Upgrading to version 2.00 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-112935, VDB-112934, VDB-112933 and VDB-112932. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Integer overflow
CWE: CWE-190 / CWE-189
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: CCN-lite 2.00

Timelineinfo

08/04/2017 🔍
08/08/2017 +4 days 🔍
02/07/2018 +183 days 🔍
02/07/2018 +0 days 🔍
02/08/2018 +1 days 🔍
02/03/2023 +1821 days 🔍

Sourcesinfo

Advisory: 131
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12465 (🔍)
GCVE (CVE): GCVE-0-2017-12465
GCVE (VulDB): GCVE-100-112931
See also: 🔍

Entryinfo

Created: 02/08/2018 06:55
Updated: 02/03/2023 19:16
Changes: 02/08/2018 06:55 (60), 01/02/2020 13:18 (2), 02/03/2023 19:16 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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