PT-2021-4797 · Apache · Apache Traffic Server

Masaori Koshiba · Published 2021-10-29 · Updated 2021-11-19 · CVE-2021-43082

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Apache Traffic Server version 9.1.0

Description The issue is related to a buffer copy without checking the size of input, also known as a 'Classic Buffer Overflow', in the stats-over-http plugin of Apache Traffic Server. This allows a remote attacker to overwrite memory, potentially leading to a denial of service.

Recommendations For Apache Traffic Server version 9.1.0, consider disabling the stats-over-http plugin as a temporary workaround until a patch is available. Restrict access to the vulnerable plugin to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2021-05520

CVE-2021-43082

OESA-2021-1437

Affected Products

Apache Traffic Server

References · 18

• https://nvd.nist.gov/vuln/detail/CVE-2021-41585 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-43082 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-43082 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-43082 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-43082 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37149 · Security Note
• https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-43082 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-43082 · Security Note
• https://bdu.fstec.ru/vul/2021-05520 · Security Note
• https://osv.dev/vulnerability/OESA-2021-1437 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-43082 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37147 · Security Note
• https://github.com/apache/trafficserver/commit/02b17dbe3cff71ffd31577d872e077531124d207 · Note
• https://github.com/apache/trafficserver/pull/8475 · Note