CVE-2022-31015 — Uncaught Exception in Waitress

CWE-248 — Uncaught ExceptionCWE-362 — Race Condition8 documents7 sources
Severity
5.9MEDIUMNVD
CNA6.5
EPSS
0.1%
top 64.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Agendaless WaitressPylons Waitress
Timeline
PublishedMay 31
Latest updateJun 2

Description

Waitress is a Web Server Gateway Interface server for Python 2 and 3. Waitress versions 2.1.0 and 2.1.1 may terminate early due to a thread closing a socket while the main thread is about to call select(). This will lead to the main thread raising an exception that is not handled and then causing the entire application to be killed. This issue has been fixed in Waitress 2.1.2 by no longer allowing the WSGI thread to close the socket. Instead, that is always delegated to the main thread. There is…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages2 packages

▶NVDagendaless/waitress2.1.0 — 2.1.2
▶CVEListV5pylons/waitress>= 2.1.0, < 2.1.2

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
OSV
Uncaught Exception (due to a data race) leads to process termination in Waitress↗2022-06-02
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GHSA
Uncaught Exception (due to a data race) leads to process termination in Waitress↗2022-06-02
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OSV
CVE-2022-31015: Waitress is a Web Server Gateway Interface server for Python 2 and 3↗2022-05-31
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CVEList
Uncaught Exception (due to a data race) leads to process termination in Waitress↗2022-05-31
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📋Vendor Advisories

3
Red Hat
waitress: uncaught Exception (due to a data race) leads to process termination↗2022-06-01
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Microsoft
Uncaught Exception (due to a data race) leads to process termination in Waitress↗2022-05-10
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Debian
CVE-2022-31015: waitress - Waitress is a Web Server Gateway Interface server for Python 2 and 3. Waitress v...↗2022
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CVE-2022-31015 — Uncaught Exception in Waitress | cvebase