CVE-2017-8761 Temporary urls leaked via logging
Attackers with log access can steal reusable tempurl signatures from OpenStack Swift proxy logs, compromising object access security.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-8761?
CVE-2017-8761 is a medium-severity vulnerability in n/a, published on 2 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In OpenStack Swift through 2.10.1, 2.11.0 through 2.13.0, and 2.14.0, the proxy-server logs full tempurl paths, potentially leaking reusable tempurl signatures to anyone with read access to these logs. All Swift deployments using the tempurl middleware are affected.
Weakness: CWE-200
Which versions are affected by CVE-2017-8761?
3 open source packages ship an affected version, including swift. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
swift PyPI | All versions | 2.15.2 |
swift PyPI | All versions | 2.15.2 |
swift PyPI | All versions | 2.15.2 |
Products include Openstack Swift.
How do I fix CVE-2017-8761?
Upgrade swift to 2.15.2 or later.
Is CVE-2017-8761 being exploited?
There is no known exploitation of CVE-2017-8761 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2016-0737 OpenStack Object Storage (Swift) allows remote attackers to cause a denial of service
- CVE-2016-0738 OpenStack Object Storage (Swift) allows remote attackers to cause a denial of service
- CVE-2026-49017 OpenStack Swift: s3api middleware enters an infinite loop when processing a truncated aws-chunked PUT request body
- CVE-2013-6396 Python Swift client is vulnerable to Missing SSL Certificate Check
- CVE-2026-50221 OpenStack Swift vulnerable to authenticated server-side request forgery
Sources
Also known as DEBIAN-CVE-2017-8761, GHSA-8fxc-qm65-vpxg, PYSEC-2026-751, UBUNTU-CVE-2017-8761.