CVE-2021-22897
Summary
| CVE | CVE-2021-22897 |
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| State | PUBLIC |
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| Assigner | [email protected] |
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| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2021-06-11 16:15:00 UTC |
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| Updated | 2024-03-27 15:47:00 UTC |
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| Description | curl 7.61.0 through 7.76.1 suffers from exposure of data element to wrong session due to a mistake in the code for CURLOPT_SSL_CIPHER_LIST when libcurl is built to use the Schannel TLS library. The selected cipher set was stored in a single "static" variable in the library, which has the surprising side-effect that if an application sets up multiple concurrent transfers, the last one that sets the ciphers will accidentally control the set used by all transfers. In a worst-case scenario, this weakens transport security significantly. |
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NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|
| schannel: don't use static to store selected ciphers · curl/curl@bbb7150 · GitHub |
MISC |
github.com |
|
| Oracle Critical Patch Update Advisory - April 2022 |
MISC |
www.oracle.com |
|
| June 2021 cURL/libcURL Vulnerabilities in NetApp Products | NetApp Product Security |
CONFIRM |
security.netapp.com |
|
| Oracle Critical Patch Update Advisory - July 2021 |
N/A |
www.oracle.com |
|
| Oracle Critical Patch Update Advisory - January 2022 |
MISC |
www.oracle.com |
|
| curl - schannel cipher selection surprise - CVE-2021-22897 |
MISC |
curl.se |
|
| cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf |
CONFIRM |
cert-portal.siemens.com |
|
| HackerOne |
MISC |
hackerone.com |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 296065 Oracle Solaris 11.4 Support Repository Update (SRU) 39.107.1 Missing (CPUOCT2021)
- 378599 Splunk Enterprise Third Party Package Updates for June (SVD-2023-0613)
- 378883 Splunk Enterprise August Third Party Package Updates (SVD-2023-0808)
- 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
- 670481 EulerOS Security Update for curl (EulerOS-SA-2021-2239)
- 670507 EulerOS Security Update for curl (EulerOS-SA-2021-2265)
- 670532 EulerOS Security Update for curl (EulerOS-SA-2021-2290)
- 900254 CBL-Mariner Linux Security Update for curl 7.76.0
- 900905 Common Base Linux Mariner (CBL-Mariner) Security Update for curl (6358-1)
- 903597 Common Base Linux Mariner (CBL-Mariner) Security Update for curl (4368)
