PT-2019-19813 · Webargs · Webargs

Thiefmaster · Published 2019-03-12 · Updated 2019-03-12 · CVE-2019-9710

Positive Technologies (AI Summary)

CVSS v4.0

8.2

High

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Name of the Vulnerable Software and Affected Versions webargs versions prior to 5.1.3

Description An issue was discovered in webargs, where JSON parsing uses a short-lived cache to store the parsed JSON body. This cache is not thread-safe, meaning that incorrect JSON payloads could have been parsed for concurrent requests.

Recommendations For versions prior to 5.1.3, update to version 5.1.3 or later to resolve the issue.

Exploit

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2019-9710

GHSA-8554-JXCW-454Q

PYSEC-2019-139

Affected Products

Webargs

References · 13

• 🔥 https://github.com/marshmallow-code/webargs/issues/371 · Exploit
• https://osv.dev/vulnerability/PYSEC-2019-139 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-9710 · Security Note
• https://osv.dev/vulnerability/GHSA-8554-jxcw-454q · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-9710 · Vendor Advisory
• https://github.com/marshmallow-code/webargs/commit/716bd8d1f24c84aaf99170efaa17d1d34206f6c0 · Note
• https://github.com/marshmallow-code/webargs/pull/373 · Note
• https://github.com/marshmallow-code/webargs · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/webargs/PYSEC-2019-139.yaml · Note
• https://webargs.readthedocs.io/en/latest/changelog.html · Note
• https://webargs.readthedocs.io/en/latest/changelog.html#id24 · Note
• https://github.com/advisories/GHSA-8554-jxcw-454q · Note
• https://webargs.readthedocs.io/en/latest/changelog.html#id20 · Note