openEuler 20.03 LTS update for curl-7.69.1-1

Published: 2020-08-29

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-8177 CVE-2020-8169
CWE-ID	CWE-644 CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	openEuler Operating systems & Components / Operating system libcurl-devel Operating systems & Components / Operating system package or component libcurl Operating systems & Components / Operating system package or component curl-help Operating systems & Components / Operating system package or component curl-debugsource Operating systems & Components / Operating system package or component curl-debuginfo Operating systems & Components / Operating system package or component curl Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Neutralization of HTTP Headers for Scripting Syntax

EUVDB-ID: #VU29290

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-8177

CWE-ID: CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax

Exploit availability: No

Description

The vulnerability allows a remote attacker to overwrite files on the victim's system.

The vulnerability exists due to a logical error when processing Content-Disposition: HTTP response header in curl when executed with the -J flag and -i flags in the same command line. A remote attacker can trick the victim to run a specially crafted curl command against a malicious website and overwrite files on the user's system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS

libcurl-devel: before 7.69.1-2

libcurl: before 7.69.1-2

curl-help: before 7.69.1-2

curl-debugsource: before 7.69.1-2

curl-debuginfo: before 7.69.1-2

curl: before 7.69.1-2

CPE2.3

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1039

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU29292

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-8169

CWE-ID: CWE-200 - Information exposure