Vulnerability Name:

CVE-2020-24266 (CCN-190034)

Assigned:2020-07-30
Published:2020-07-30
Updated:2022-04-08
Summary:An issue was discovered in tcpreplay tcpprep v4.3.3. There is a heap buffer overflow vulnerability in get_l2len() that can make tcpprep crash and cause a denial of service.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-787
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-24266

Source: XF
Type: UNKNOWN
tcpreplay-cve202024266-dos(190034)

Source: CCN
Type: tcpreplay GIT Repository
[Bug]heap buffer overflow in tcpprep with get_l2len() #617

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/appneta/tcpreplay/issues/617

Source: FEDORA
Type: Mailing List, Release Notes, Third Party Advisory
FEDORA-2020-0e036c907e

Source: FEDORA
Type: Mailing List, Release Notes, Third Party Advisory
FEDORA-2020-e45cf8ea43

Source: FEDORA
Type: Mailing List, Release Notes, Third Party Advisory
FEDORA-2020-c50d8b980b

Source: GENTOO
Type: Third Party Advisory
GLSA-202105-21

Vulnerable Configuration:Configuration 1:
  • cpe:/a:broadcom:tcpreplay:4.3.3:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:31:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:113486
    P
    		tcpreplay-4.3.4-1.3 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106882
    P
    		tcpreplay-4.3.4-1.3 on GA media (Moderate)
    2021-10-01
    BACK
    broadcom tcpreplay 4.3.3
    fedoraproject fedora 31
    fedoraproject fedora 32
    fedoraproject fedora 33