PT-2022-11187 · Apache · Apache James

Benoit Tellier · Published 2022-01-04 · Updated 2022-01-12 · CVE-2021-40110

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Apache James versions prior to 3.6.1

Description A Denial Of Service issue was identified in Apache James, where an IMAP user can craft IMAP LIST commands to exploit a vulnerable regular expression, leading to a denial of service. This issue was discovered using the Jazzer fuzzer.

Recommendations For versions prior to 3.6.1, upgrade to Apache James 3.6.1 or higher, which enforces the use of the RE2J regular expression engine to execute regex in linear time without back-tracking.

Fix

Related Identifiers

CVE-2021-40110

GHSA-R58X-WJG8-63M9

Affected Products

Apache James

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-40110 · Security Note
• https://osv.dev/vulnerability/GHSA-r58x-wjg8-63m9 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-40110 · Vendor Advisory
• http://openwall.com/lists/oss-security/2022/01/04/2 · Note
• https://openwall.com/lists/oss-security/2022/01/04/2 · Note