mDNSResponder up to 625.41.1 rfc3110_import 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 classified as critical. This vulnerability affects the function rfc3110_import. This manipulation causes memory corruption. This vulnerability is registered as CVE-2015-7987. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in mDNSResponder up to 625.41.1. It has been declared as very critical. Affected by this vulnerability is the function rfc3110_import. 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:

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 published 06/26/2016 (Website). It is possible to read the advisory at kb.cert.org. This vulnerability is known as CVE-2015-7987 since 10/27/2015. 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. The pricing for an exploit might be around USD $0-$5k at the moment (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†). Similar entries are available at VDB-88134, VDB-88136, VDB-88118 and VDB-88119. Be aware that VulDB is the high quality source for vulnerability data.

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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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-100-88135
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 15:59
Changes: 06/27/2016 09:08 (46), 02/09/2019 11:17 (16), 08/24/2022 15:50 (3), 11/11/2024 15:59 (17)
Complete: 🔍
Cache ID: 216:3DD:103

Be aware that VulDB is the high quality source for vulnerability data.

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