Vulnerability Name:

CVE-2021-35474 (CCN-204728)

Assigned:2021-06-24
Published:2021-06-24
Updated:2021-09-20
Summary:Stack-based Buffer Overflow vulnerability in cachekey plugin of Apache Traffic Server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-35474

Source: XF
Type: UNKNOWN
apache-cve202135474-bo(204728)

Source: CCN
Type: Apache Mailing List, 2021/06/24 23:00:02
Apache Traffic Server is vulnerable to various HTTP/1.x and HTTP/2 attacks

Source: MISC
Type: Mailing List, Vendor Advisory
https://lists.apache.org/thread.html/ra1a41ff92a70d25bf576d7da2590575e8ff430393a3f4a0c34de4277%40%3Cusers.trafficserver.apache.org%3E

Source: CCN
Type: Apache Web site
Apache Traffic Server

Source: DEBIAN
Type: Third Party Advisory
DSA-4957

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-35474

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 7.0.0 and <= 7.1.12)
  • OR cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 8.0.0 and <= 8.1.1)
  • OR cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 9.0.0 and <= 9.0.1)

  • Configuration 2:
  • cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:apache:traffic_server:7.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:8.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:9.0.0:-:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:7.1.12:-:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:8.1.1:-:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:9.0.1:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apache traffic server *
    apache traffic server *
    apache traffic server *
    debian debian linux 10.0
    apache traffic server 7.0.0
    apache traffic server 8.0.0
    apache traffic server 9.0.0 -
    apache traffic server 7.1.12 -
    apache traffic server 8.1.1 -
    apache traffic server 9.0.1 -