Google gRPC core/lib/support/alloc.c gpr_free out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Google gRPC. Affected by this issue is the function gpr_free in the library core/lib/support/alloc.c. Such manipulation leads to out-of-bounds write.
This vulnerability is listed as CVE-2017-7861. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is advised.
Details
A vulnerability, which was classified as critical, has been found in Google gRPC (version unknown). Affected by this issue is the function gpr_free in the library core/lib/support/alloc.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Google gRPC before 2017-02-22 has an out-of-bounds write related to the gpr_free function in core/lib/support/alloc.c.
The bug was discovered 02/22/2017. The weakness was presented 04/14/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2017-7861 since 04/14/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97694†). See VDB-99847 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
License
Website
- Vendor: https://www.google.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
02/22/2017 🔍02/22/2017 🔍
04/14/2017 🔍
04/14/2017 🔍
04/14/2017 🔍
04/14/2017 🔍
04/14/2017 🔍
11/29/2022 🔍
Sources
Vendor: google.comAdvisory: securityfocus.com⛔
Status: Not defined
CVE: CVE-2017-7861 (🔍)
GCVE (CVE): GCVE-0-2017-7861
GCVE (VulDB): GCVE-100-99848
SecurityFocus: 97694 - Google gRPC CVE-2017-7861 Heap Based Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7861 - Google - gRPC - Buffer Overflow Issue
See also: 🔍
Entry
Created: 04/14/2017 11:12Updated: 11/29/2022 10:51
Changes: 04/14/2017 11:12 (64), 11/29/2022 10:51 (4)
Complete: 🔍
Cache ID: 216:43B:103
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