mDNSResponder up to 625.41.1 GetValueForIPv4Addr memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.6 | $0-$5k | 0.00 |
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 GetValueForIPv4Addr
. 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 presented 06/26/2016 (Website). The advisory is available 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. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/24/2022).
Upgrading to version 625.41.2 eliminates this vulnerability.
See 88134, 88135, 88136 and 88119 for similar entries.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Upgrade: mDNSResponder 625.41.2
Timeline
10/27/2015 🔍06/20/2016 🔍
06/25/2016 🔍
06/26/2016 🔍
06/27/2016 🔍
08/24/2022 🔍
Sources
Advisory: kb.cert.orgStatus: Not defined
Confirmation: 🔍
CVE: CVE-2015-7987 (🔍)
SecurityTracker: 1036181
SecurityFocus: 91323 - mDNSResponder CVE-2015-7987 Multiple Buffer Overflow Vulnerabilities
See also: 🔍
Entry
Created: 06/27/2016 09:08Updated: 08/24/2022 15:27
Changes: 06/27/2016 09:08 (46), 02/09/2019 11:17 (16), 08/24/2022 15:27 (3)
Complete: 🔍
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