CVE-2017-11697: mozilla network_security_services
CVSS: 7.8v3.0HighModified
AliasesUBUNTU-CVE-2017-11697DEBIAN-CVE-2017-11697
Published 27-12-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-11697 is a high (CVSS 7.8) vulnerability in mozilla network_security_services. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 42.8% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
7.8/10
010
High · v3.0 (NVD)EPSS score
0.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference
Timeline
- 27-12-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.52% on 18-09-2026
18-09-202618-10-2026
EPSS score0.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (geeknik.net)
Maturity: unknown
Exploit Reference (seclists.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- nssAll versions (No fix recorded)
Mozilla1 product
Ubuntu1 product
- nssAll versions (No fix recorded)
3 vendors · 3 products
References
9 links- packetstormsecurity.com/files/143735/NSS-Buffer-Overflows-Floating-Point-Exception.htmlX Refsource MISCThird Party AdvisoryVDB Entry
- seclists.org/fulldisclosure/2017/Aug/17Mailing ListX Refsource FULLDISCExploitThird Party AdvisoryREPORT