mDNSResponder up to 625.41.1 CopyNSEC3ResourceRecord memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability was found in mDNSResponder up to 625.41.1. It has been declared as critical. This issue affects the function CopyNSEC3ResourceRecord. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2015-7987. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in mDNSResponder up to 625.41.1. It has been rated as very critical. Affected by this issue is the function CopyNSEC3ResourceRecord. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple buffer overflows in mDNSResponder before 625.41.2 allow remote attackers to read or write to out-of-bounds memory locations via vectors involving the (1) GetValueForIPv4Addr, (2) GetValueForMACAddr, (3) rfc3110_import, or (4) CopyNSEC3ResourceRecord function.

The weakness was released 06/26/2016 (Website). The advisory is shared for download at kb.cert.org. This vulnerability is handled as CVE-2015-7987 since 10/27/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/11/2024).

Upgrading to version 625.41.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 91323†). Entries connected to this vulnerability are available at VDB-88134, VDB-88135, VDB-88118 and VDB-88119. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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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: 🔍
Upgrade: mDNSResponder 625.41.2

Timelineinfo

10/27/2015 🔍
06/20/2016 +237 days 🔍
06/25/2016 +5 days 🔍
06/26/2016 +1 days 🔍
06/27/2016 +1 days 🔍
11/11/2024 +3059 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7987 (🔍)
GCVE (CVE): GCVE-0-2015-7987
GCVE (VulDB): GCVE-100-88136
CERT: 🔍
SecurityFocus: 91323 - mDNSResponder CVE-2015-7987 Multiple Buffer Overflow Vulnerabilities
SecurityTracker: 1036181

See also: 🔍

Entryinfo

Created: 06/27/2016 09:08
Updated: 11/11/2024 16:14
Changes: 06/27/2016 09:08 (51), 02/10/2019 11:47 (11), 08/24/2022 15:55 (3), 11/11/2024 16:14 (17)
Complete: 🔍
Cache ID: 216:9BE:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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