CVE-2023-1538 Observable Timing Discrepancy in answerdev/answer
Medium 5.3
Published
Updated
Check this codebase for CVE-2023-1538 and fix it if it is affected.
What it is: CVE-2023-1538 is a medium-severity vulnerability in answerdev/answer, published on 21 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1538 exists.
Affected packages and fixed versions:
- github.com/answerdev/answer (Go): affected all versions; fixed in 1.0.6
- github.com/answerdev/answer (Go): affected all versions; fixed in 1.0.6
- github.com/answerdev/answer (Go): affected all versions; fixed in 1.0.6
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2023-1538/ (Markdown: https://insights.sbomify.com/CVE-2023-1538/index.md)
Attackers can exploit timing discrepancies to potentially infer sensitive information from the Answer Q&A platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-1538?
CVE-2023-1538 is a medium-severity vulnerability in answerdev/answer, published on 21 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Observable Timing Discrepancy in GitHub repository answerdev/answer prior to 1.0.6.
Which versions are affected by CVE-2023-1538?
3 open source packages ship an affected version, including github.com/answerdev/answer. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/answerdev/answer Go | All versions | 1.0.6 |
github.com/answerdev/answer Go | All versions | 1.0.6 |
github.com/answerdev/answer Go | All versions | 1.0.6 |
Products include Answer Answer.
How do I fix CVE-2023-1538?
Upgrade github.com/answerdev/answer to 1.0.6 or later.
Is CVE-2023-1538 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1538 exists.
Other vulnerabilities in answerdev/answer
- CVE-2023-0744 Improper Access Control in answerdev/answer
- CVE-2023-1244 Cross-site Scripting (XSS) - Stored in answerdev/answer
- CVE-2023-4125 Weak Password Requirements in answerdev/answer
- CVE-2023-1241 Cross-site Scripting (XSS) - Stored in answerdev/answer
- CVE-2023-4815 Missing Authentication for Critical Function in answerdev/answer
Sources
Also known as GHSA-rvjp-8qj4-8p29, GO-2023-1661.