Vulnerability Details : CVE-2017-11697
Potential exploit
The __hash_open function in hash.c:229 in Mozilla Network Security Services (NSS) allows context-dependent attackers to cause a denial of service (floating point exception and crash) via a crafted cert8.db file.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2017-11697
- cpe:2.3:a:mozilla:network_security_services:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-11697
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-11697
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-11697
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-11697
-
http://www.securityfocus.com/bid/100345
Mozilla NSS Multiple Heap Buffer Overflow and Denial of Service VulnerabilitiesThird Party Advisory;VDB Entry
-
http://seclists.org/fulldisclosure/2017/Aug/17
Full Disclosure: Multiple unpatched flaws exist in NSS (CVE-2017-11695, CVE-2017-11696, CVE-2017-11697, CVE-2017-11698)Exploit;Mailing List;Third Party Advisory
-
http://packetstormsecurity.com/files/143735/NSS-Buffer-Overflows-Floating-Point-Exception.html
NSS Buffer Overflows / Floating Point Exception ≈ Packet StormVDB Entry;Third Party Advisory
-
http://www.geeknik.net/9brdqk6xu
Exploit;Third Party Advisory
-
http://www.securitytracker.com/id/1039153
Network Security Services (NSS) 'certutil' File Processing Flaw Lets Local Users Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/202003-37
Mozilla Network Security Service: Multiple vulnerabilities (GLSA 202003-37) — Gentoo security
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