CVE-2017-11695 : What You Need to Know
Learn about CVE-2017-11695, a memory allocation vulnerability in Mozilla Network Security Services (NSS) that could be exploited by attackers to cause an unknown impact by manipulating the cert8.db file. Find out how to mitigate and prevent this vulnerability.
A vulnerability related to memory allocation in Mozilla Network Security Services (NSS) could potentially be exploited by attackers to cause an unknown impact by manipulating the cert8.db file.
Understanding CVE-2017-11695
This CVE involves a heap-based buffer overflow in NSS, allowing attackers to have an unspecified impact using a crafted cert8.db file.
What is CVE-2017-11695?
The vulnerability is specifically related to memory allocation in the alloc_segs function within the lib/dbm/src/hash.c file of NSS.
The Impact of CVE-2017-11695
Attackers could exploit this vulnerability to cause an unknown impact by manipulating the cert8.db file.
Technical Details of CVE-2017-11695
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability involves a heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in NSS.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the cert8.db file in a specific manner.
Mitigation and Prevention
To address CVE-2017-11695, follow these mitigation strategies:
Immediate Steps to Take
- Regularly update NSS to the latest version.
- Monitor and restrict access to the cert8.db file.
Long-Term Security Practices
- Implement secure coding practices to prevent buffer overflows.
- Conduct regular security audits and code reviews.
Patching and Updates
- Apply patches provided by NSS promptly to address this vulnerability.