Fedora 29 update for curl

1) Information disclosure

EUVDB-ID: #VU16783

Risk: Low

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

CVE-ID: CVE-2018-20483

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to set_file_metadata in xattr.c stores a file's origin URL in the user.xdg.origin.url metadata attribute of the extended attributes of the downloaded file. A local attacker can read this attribute, as demonstrated by getfattr and obtain credentials contained in the URL.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 29

curl: before 7.61.1-7.fc29

CPE2.3

• cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
• cpe:2.3:a:fedoraproject:curl:*:*:*:*:*:fedora:*:*

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2019-427a0ba9e3

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.