CSRF in Curl
CVE-2009-0037
The redirect implementation in curl and libcurl 5.11 through 7.19.3, when CURLOPT_FOLLOWLOCATION is enabled, accepts arbitrary Location values, which might allow remote HTTP servers to (1) trigger arbitrary requests to intranet servers, (2) read or overwrite arbitrary files via a redirect to a file: URL, or (3) execute arbitrary commands via a redirect to an scp: URL.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.090 (95.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.090 · newest: 0.090 · change: 0.000
Affected products
- Curl — versions 5.11, 6.0, 6.1beta
- Curl Libcurl — versions 5.11, 7.12, 7.12.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-726-1 (vendor-advisory)
- secunia.com/advisories/34259 (third-party-advisory)
- curl.haxx.se/lxr/source/CHANGES (Patch, Vendor Advisory)
- secunia.com/advisories/35766 (third-party-advisory)
- secunia.com/advisories/34255 (third-party-advisory)
- www.redhat.com/support/errata/RHSA-2009-0341.html (vendor-advisory)
- www.debian.org/security/2009/dsa-1738 (vendor-advisory)
- www.withdk.com/2009/03/03/curllibcurl-redirect-arbitrary-file-access/
- exchange.xforce.ibmcloud.com/vulnerabilities/49030 (vdb-entry)
- www.vupen.com/english/advisories/2009/1865 (vdb-entry)
Frequently asked questions
- What is CVE-2009-0037?
- CVE-2009-0037 is a vulnerability in Curl, classified under Cross-Site Request Forgery (CSRF). Published 2009-03-05.
- Is CVE-2009-0037 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.