#VU7882 Out-of-bounds read in libcurl and cURL - CVE-2017-1000099

Vulnerability identifier: #VU7882

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-1000099

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
libcurl
Universal components / Libraries / Libraries used by multiple products
cURL
Client/Desktop applications / Other client software

Vendor: curl.haxx.se

Description
The vulnerability allows a local attacker to obtain potentially sensitive information.

The weakness exists due to out-of bounds read. A local attacker can load a specially crafted 'file://' URL to cause the curl application to return data from system memory.

Successful exploitation of the vulnerability results in information disclosure.

Mitigation
Update to version 7.55.0.

Vulnerable software versions

libcurl: 7.10.6 - 7.54.0

cURL: 7.1 - 7.53.0

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External links
https://curl.haxx.se/docs/adv_20170809C.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.