Vulnerability identifier: #VU7885

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-1000101

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
cURL
Client/Desktop applications / Other client software

Vendor: curl.haxx.se

Description
The vulnerability allows a remote attacker to redirect website visitors to external websites.

The weakness exists due to out-of-bounds read. A local user can supply a URL containing specially crafted numerical range characters to trigger a heap read error and obtain potentially sensitive information from system memory

Successful exploitation of the vulnerability results in information disclosure.

Mitigation
Update to version 7.55.0.

Vulnerable software versions

cURL: 7.34.0 - 7.53.0

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External links
http://curl.haxx.se/docs/adv_20170809A.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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