VDB-96588 · CVE-2015-7599 · BID 79205

Wind River VxWorks up to 6.9.4.1 svc_auth.c _authenticate integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Wind River VxWorks up to 6.9.4.1. This affects the function _authenticate of the file svc_auth.c. The manipulation results in integer overflow. This vulnerability was named CVE-2015-7599. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Wind River VxWorks up to 6.9.4.1. Affected is the function _authenticate of the file svc_auth.c. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Integer overflow in the _authenticate function in svc_auth.c in Wind River VxWorks 5.5 through 6.9.4.1, when the Remote Procedure Call (RPC) protocol is enabled, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a username and password.

The bug was discovered 10/29/2015. The weakness was presented 02/07/2017 (Website). The advisory is shared for download at blogs.windriver.com. This vulnerability is traded as CVE-2015-7599 since 09/29/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 467 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 79205†). 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: 7.7
VulDB Meta Temp Score: 7.7

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

NVD Base Score: 8.1
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/29/2015 🔍
10/29/2015 +30 days 🔍
12/10/2015 +42 days 🔍
02/07/2017 +425 days 🔍
02/07/2017 +0 days 🔍
02/07/2017 +0 days 🔍
02/07/2017 +0 days 🔍

Sourcesinfo

Advisory: blogs.windriver.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7599 (🔍)
GCVE (CVE): GCVE-0-2015-7599
GCVE (VulDB): GCVE-100-96588
SecurityFocus: 79205 - WindRiver VxWorks CVE-2015-7599 Integer Overflow Vulnerability
OSVDB: - CVE-2015-7599 - Wind River - VxWorks - Integer Overflow Issue

Entryinfo

Created: 02/07/2017 22:12
Changes: 02/07/2017 22:12 (64)
Complete: 🔍
Cache ID: 216::103

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