#VU32262 Use-after-free in cURL - CVE-2016-5421
Vulnerability identifier: #VU32262
Vulnerability risk: High
CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2016-5421
CWE-ID:
CWE-416
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
cURL
Client/Desktop applications /
Other client software
Vendor: curl.haxx.se
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing unknown vectors. A attackers can control which connection is used or possibly have unspecified other impact.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Mitigation
Update to version 7.50.1.
Vulnerable software versions
cURL: 7.50.0
External links
https://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html
https://lists.opensuse.org/opensuse-updates/2016-09/msg00094.html
https://www.debian.org/security/2016/dsa-3638
https://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
https://www.securityfocus.com/bid/92306
https://www.securitytracker.com/id/1036536
https://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.563059
https://www.ubuntu.com/usn/USN-3048-1
https://access.redhat.com/errata/RHSA-2018:3558
https://curl.haxx.se/docs/adv_20160803C.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/
https://security.gentoo.org/glsa/201701-47
https://source.android.com/security/bulletin/2016-12-01.html
https://www.tenable.com/security/tns-2016-18
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.
