Vulnerability Name:

CVE-2019-20697 (CCN-180424)

Assigned:2019-09-05
Published:2019-09-05
Updated:2020-04-22
Summary:Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects GS728TPPv2 before 6.0.0.48, GS728TPv2 before 6.0.0.48, GS750E before 1.0.1.4, GS752TPP before 6.0.0.48, and GS752TPv2 before 6.0.0.48.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
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
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): High
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:A/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.3 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:P/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-20697

Source: XF
Type: UNKNOWN
netgear-cve201920697-bo(180424)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2019-0066
Security Advisory for Pre-Authentication Stack Overflow on Some Switches

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000061232/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Switches-PSV-2019-0066

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:gs728tpp_firmware:*:*:*:*:*:*:*:* (Version < 6.0.0.48)
  • AND
  • cpe:/h:netgear:gs728tpp:v2:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:gs728tp_firmware:*:*:*:*:*:*:*:* (Version < 6.0.0.48)
  • AND
  • cpe:/h:netgear:gs728tp:v2:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:gs750e_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.4)
  • AND
  • cpe:/h:netgear:gs750e:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:gs752tpp_firmware:*:*:*:*:*:*:*:* (Version < 6.0.0.48)
  • AND
  • cpe:/h:netgear:gs752tpp:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:gs752tp_firmware:*:*:*:*:*:*:*:* (Version < 6.0.0.48)
  • AND
  • cpe:/h:netgear:gs752tp:v2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:gs728tppv2_firmware:6.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gs752tpv2_firmware:6.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gs752tpp_firmware:6.0.0.48:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gs728tpv2_firmware:6.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:gs750e_firmware:1.0.1.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear gs728tpp firmware *
    netgear gs728tpp v2
    netgear gs728tp firmware *
    netgear gs728tp v2
    netgear gs750e firmware *
    netgear gs750e -
    netgear gs752tpp firmware *
    netgear gs752tpp -
    netgear gs752tp firmware *
    netgear gs752tp v2
    netgear gs728tppv2 firmware 6.0.0
    netgear gs752tpv2 firmware 6.0.0
    netgear gs752tpp firmware 6.0.0.48
    netgear gs728tpv2 firmware 6.0.0
    netgear gs750e firmware 1.0.1.4