CVE-2020-8177
First published: Sat Jul 18 2020(Updated: )
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.
Credit: support@hackerone.com support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/curl | 7.64.0-4+deb10u2 7.64.0-4+deb10u7 7.74.0-1.3+deb11u9 7.74.0-1.3+deb11u10 7.88.1-10+deb12u3 7.88.1-10+deb12u4 8.4.0-2 | |
| debian/curl | <=7.68.0-1<=7.52.1-1<=7.52.1-5+deb9u10<=7.64.0-4+deb10u1<=7.64.0-1 | |
| IBM Cloud Pak for Security (CP4S) | <=1.7.2.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.7.1.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.7.0.0 | |
| Haxx Curl | >=7.20.0<=7.70.0 | |
| Debian Debian Linux | =10.0 | |
| Fujitsu M10-1 Firmware | <xcp2410 | |
| Fujitsu M10-1 | ||
| Fujitsu M10-4 Firmware | <xcp2410 | |
| Fujitsu M10-4 | ||
| Fujitsu M10-4s Firmware | <xcp2410 | |
| Fujitsu M10-4s | ||
| Fujitsu M12-1 Firmware | <xcp2410 | |
| Fujitsu M12-1 | ||
| Fujitsu M12-2 Firmware | <xcp2410 | |
| Fujitsu M12-2 | ||
| Fujitsu M12-2s Firmware | <xcp2410 | |
| Fujitsu M12-2s | ||
| Fujitsu M10-1 Firmware | <xcp3110 | |
| Fujitsu M10-4 Firmware | <xcp3110 | |
| Fujitsu M10-4s Firmware | <xcp3110 | |
| Fujitsu M12-1 Firmware | <xcp3110 | |
| Fujitsu M12-2 Firmware | <xcp3110 | |
| Fujitsu M12-2s Firmware | <xcp3110 | |
| Siemens Sinec Infrastructure Network Services | <1.0.1.1 | |
| All of | ||
| Fujitsu M10-1 Firmware | <xcp2410 | |
| Fujitsu M10-1 | ||
| All of | ||
| Fujitsu M10-4 Firmware | <xcp2410 | |
| Fujitsu M10-4 | ||
| All of | ||
| Fujitsu M10-4s Firmware | <xcp2410 | |
| Fujitsu M10-4s | ||
| All of | ||
| Fujitsu M12-1 Firmware | <xcp2410 | |
| Fujitsu M12-1 | ||
| All of | ||
| Fujitsu M12-2 Firmware | <xcp2410 | |
| Fujitsu M12-2 | ||
| All of | ||
| Fujitsu M12-2s Firmware | <xcp2410 | |
| Fujitsu M12-2s | ||
| All of | ||
| Fujitsu M10-1 Firmware | <xcp3110 | |
| Fujitsu M10-1 | ||
| All of | ||
| Fujitsu M10-4 Firmware | <xcp3110 | |
| Fujitsu M10-4 | ||
| All of | ||
| Fujitsu M10-4s Firmware | <xcp3110 | |
| Fujitsu M10-4s | ||
| All of | ||
| Fujitsu M12-1 Firmware | <xcp3110 | |
| Fujitsu M12-1 | ||
| All of | ||
| Fujitsu M12-2 Firmware | <xcp3110 | |
| Fujitsu M12-2 | ||
| All of | ||
| Fujitsu M12-2s Firmware | <xcp3110 | |
| Fujitsu M12-2s | ||
| Splunk Universal Forwarder | >=8.2.0<8.2.12 | |
| Splunk Universal Forwarder | >=9.0.0<9.0.6 | |
| Splunk Universal Forwarder | =9.1.0 |
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Reference Links
- https://curl.haxx.se/docs/CVE-2020-8177.html
- https://github.com/curl/curl/commit/8236aba58542c5f89f1d41ca09d84579efb05e22
- https://security-tracker.debian.org/tracker/CVE-2020-8177
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8177
- https://security-tracker.debian.org/tracker/CVE-2020-8169
- https://curl.haxx.se/docs/CVE-2020-8169.html
- https://security-tracker.debian.org/tracker/CVE-2020-8231
- https://curl.haxx.se/docs/CVE-2020-8231.html
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=965281
- https://exchange.xforce.ibmcloud.com/vulnerabilities/183931
- https://www.ibm.com/support/pages/node/6493729 (Advisory)
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://curl.se/docs/CVE-2020-8177.html
- https://hackerone.com/reports/887462
- https://www.debian.org/security/2021/dsa-4881
- https://www.oracle.com/security-alerts/cpujan2022.html
Frequently Asked Questions
What is CVE-2020-8177?
CVE-2020-8177 is a vulnerability in cURL that allows a remote attacker to overwrite arbitrary files on the system.
How does CVE-2020-8177 work?
CVE-2020-8177 works by improperly handling certain parameters when using -J (--remote-header-name) and -I (--include) in the same command line, which can be exploited to overwrite a local file.
What is the severity of CVE-2020-8177?
CVE-2020-8177 has a severity rating of 7.8 (High).
Which software versions are affected by CVE-2020-8177?
Versions 7.20.0 through 7.70.0 of cURL are affected by CVE-2020-8177.
How can I fix CVE-2020-8177?
To fix CVE-2020-8177, you should update cURL to version 7.74.0-1.3+deb11u10 or later.
- collector/security-tracker-debian
- collector/debian-bugs
- alias/CVE-2020-8177
- collector/ibm-support
- collector/nvd-index
- agent/weakness
- agent/remedy
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/references
- agent/severity
- agent/last-modified-date
- agent/author
- agent/softwarecombine
- agent/tags
- agent/type
- agent/description
- agent/event
- package-manager/debian
- vendor/ibm
- canonical/ibm cloud pak for security (cp4s)
- version/ibm cloud pak for security (cp4s)/1.7.2.0
- version/ibm cloud pak for security (cp4s)/1.7.1.0
- version/ibm cloud pak for security (cp4s)/1.7.0.0
- vendor/haxx
- canonical/haxx curl
- version/haxx curl/7.20.0
- version/haxx curl/7.70.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- vendor/fujitsu
- canonical/fujitsu m10-1 firmware
- canonical/fujitsu m10-1
- canonical/fujitsu m10-4 firmware
- canonical/fujitsu m10-4
- canonical/fujitsu m10-4s firmware
- canonical/fujitsu m10-4s
- canonical/fujitsu m12-1 firmware
- canonical/fujitsu m12-1
- canonical/fujitsu m12-2 firmware
- canonical/fujitsu m12-2
- canonical/fujitsu m12-2s firmware
- canonical/fujitsu m12-2s
- vendor/siemens
- canonical/siemens sinec infrastructure network services
- vendor/splunk
- canonical/splunk universal forwarder
- version/splunk universal forwarder/8.2.0
- version/splunk universal forwarder/9.0.0
- version/splunk universal forwarder/9.1.0