Vulnerability Name:

CVE-2017-11695 (CCN-130412)

Assigned:2017-08-09
Published:2017-08-09
Updated:2020-03-16
Summary:Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-11695

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/143735/NSS-Buffer-Overflows-Floating-Point-Exception.html

Source: CCN
Type: Full-Disclosure Mailing List, Wed, 09 Aug 2017 15:56:22 -0400
Multiple unpatched flaws exist in NSS (CVE-2017-11695, CVE-2017-11696, CVE-2017-11697, CVE-2017-11698)

Source: FULLDISC
Type: Exploit, Mailing List, Third Party Advisory
20170811 Multiple unpatched flaws exist in NSS (CVE-2017-11695, CVE-2017-11696, CVE-2017-11697, CVE-2017-11698)

Source: MISC
Type: Exploit, Third Party Advisory
http://www.geeknik.net/9brdqk6xu

Source: CCN
Type: Mozilla Web site
Network Security Services

Source: BID
Type: Third Party Advisory, VDB Entry
100345

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039153

Source: XF
Type: UNKNOWN
mozilla-nss-cve201711695-bo(130412)

Source: CCN
Type: Packet Storm Security [08-09-2017]
NSS Buffer Overflows / Floating Point Exception

Source: GENTOO
Type: UNKNOWN
GLSA-202003-37

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-11695

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:network_security_services:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2017116950000000
    V
    CVE-2017-11695 on Ubuntu 16.04 LTS (xenial) - negligible.
    2017-12-27
    oval:com.ubuntu.artful:def:201711695000
    V
    CVE-2017-11695 on Ubuntu 17.10 (artful) - negligible.
    2017-12-27
    oval:com.ubuntu.xenial:def:201711695000
    V
    CVE-2017-11695 on Ubuntu 16.04 LTS (xenial) - negligible.
    2017-12-27
    oval:com.ubuntu.disco:def:2017116950000000
    V
    CVE-2017-11695 on Ubuntu 19.04 (disco) - negligible.
    2017-12-27
    oval:com.ubuntu.bionic:def:201711695000
    V
    CVE-2017-11695 on Ubuntu 18.04 LTS (bionic) - negligible.
    2017-12-27
    oval:com.ubuntu.cosmic:def:2017116950000000
    V
    CVE-2017-11695 on Ubuntu 18.10 (cosmic) - negligible.
    2017-12-27
    oval:com.ubuntu.cosmic:def:201711695000
    V
    CVE-2017-11695 on Ubuntu 18.10 (cosmic) - negligible.
    2017-12-27
    oval:com.ubuntu.bionic:def:2017116950000000
    V
    CVE-2017-11695 on Ubuntu 18.04 LTS (bionic) - negligible.
    2017-12-27
    oval:com.ubuntu.trusty:def:201711695000
    V
    CVE-2017-11695 on Ubuntu 14.04 LTS (trusty) - negligible.
    2017-12-27
    BACK
    mozilla network security services -