Vulnerability identifier: #VU10223

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1000005

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libcurl
Universal components / Libraries / Libraries used by multiple products

Vendor: curl.haxx.se

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information or cause DoS condition on the target system.

The weakness exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP/2 trailer to trigger an out-of-bounds memory read error and cause the application to crash or obtain potentially sensitive information from services that echo back or otherwise use the trailers.

Mitigation
Update to version 7.58.0.

Vulnerable software versions

libcurl: 7.49.1 - 7.57.0

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External links
http://curl.haxx.se/docs/adv_2018-824a.html

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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.