protobuf memory corruption

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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in protobuf and classified as critical. This issue affects some unknown processing. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2015-5237. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in protobuf (the affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

protobuf allows remote authenticated attackers to cause a heap-based buffer overflow.

The bug was discovered 08/27/2015. The weakness was shared 09/25/2017 (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2015-5237 since 07/01/2015. The attack can be launched remotely. A single authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 760 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 8.8
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: Memory corruption
CWE: CWE-119
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

07/01/2015 🔍
08/27/2015 +57 days 🔍
09/25/2017 +760 days 🔍
09/25/2017 +0 days 🔍
09/26/2017 +1 days 🔍
12/30/2022 +1921 days 🔍

Sourcesinfo

Advisory: 760
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5237 (🔍)
GCVE (CVE): GCVE-0-2015-5237
GCVE (VulDB): GCVE-100-107089

Entryinfo

Created: 09/26/2017 09:01
Updated: 12/30/2022 08:42
Changes: 09/26/2017 09:01 (54), 11/19/2019 11:48 (1), 12/30/2022 08:42 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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