VDB-76507 · CVE-2015-5147 · BID 75508

Redcarpet up to 3.3.1 header_anchor memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Redcarpet up to 3.3.1. This affects the function header_anchor. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2015-5147. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Redcarpet up to 3.3.1. It has been declared as critical. Affected by this vulnerability is the function header_anchor. 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:

Stack-based buffer overflow in the header_anchor function in the HTML renderer in Redcarpet before 3.3.2 allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.

The weakness was disclosed 07/14/2015 by Giancarlo Canales (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2015-5147 since 06/29/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.3.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 75508†). 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: 7.3
VulDB Meta Temp Score: 7.0

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

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Redcarpet 3.3.2

Timelineinfo

06/29/2015 🔍
07/14/2015 +15 days 🔍
07/14/2015 +0 days 🔍
07/15/2015 +1 days 🔍
07/30/2015 +15 days 🔍
07/07/2017 +708 days 🔍

Sourcesinfo

Advisory: github.com
Researcher: Giancarlo Canales
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5147 (🔍)
GCVE (CVE): GCVE-0-2015-5147
GCVE (VulDB): GCVE-100-76507
SecurityFocus: 75508 - redcarpet CVE-2015-5147 Stack Buffer Overflow Vulnerability

Entryinfo

Created: 07/15/2015 14:25
Updated: 07/07/2017 17:11
Changes: 07/15/2015 14:25 (48), 07/07/2017 17:11 (5)
Complete: 🔍
Cache ID: 216::103

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

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