Vulnerability · Published Dec 14, 2020 · Assigned by hackerone
CVE-2020-8177
High 7.8
In plain English
A high-severity security flaw in https://github.com/curl/curl. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)1.3%top 29.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
curl 7.20.0 through 7.70.0 is vulnerable to improper restriction of names for files and other resources that can lead too overwriting a local file when the -J flag is used.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | curl | 7.71.0-r0 | ALPINE-CVE-2020-8177 |
| Alpine:v3.21 | curl | 7.71.0-r0 | ALPINE-CVE-2020-8177 |
| Alpine:v3.22 | curl | 7.71.0-r0 | ALPINE-CVE-2020-8177 |
| Alpine:v3.23 | curl | 7.71.0-r0 | ALPINE-CVE-2020-8177 |
| Alpine:v3.24 | curl | 7.71.0-r0 | ALPINE-CVE-2020-8177 |
| Debian:12 | curl | 7.72.0-1 | DEBIAN-CVE-2020-8177 |
| Debian:13 | curl | 7.72.0-1 | DEBIAN-CVE-2020-8177 |
| Debian:14 | curl | 7.72.0-1 | DEBIAN-CVE-2020-8177 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | https://github.com/curl/curl | curl 7.20.0 to and including 7.70.0 |
Weakness: CWE-99 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://hackerone.com/reports/887462 x_refsource_MISC
- https://curl.se/docs/CVE-2020-8177.html x_refsource_MISC
- DSA-4881 vendor-advisory, x_refsource_DEBIAN
- https://www.oracle.com/security-alerts/cpujan2022.html x_refsource_MISC
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf x_refsource_CONFIRM
- https://cert-portal.siemens.com/productcert/html/ssa-389290.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html