Man-in-the-middle attack in Debian APT



Published: 2019-01-23
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-3462
CWE-ID CWE-300
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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APT
Client/Desktop applications / Other client software

Vendor Debian

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Man-in-the-middle attack

EUVDB-ID: #VU17180

Risk: Medium

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-3462

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct man-in-the-middle attack on the target system.

The weakness exists due to code handling HTTP redirects in the HTTP transport method doesn't properly sanitize fields transmitted over the wire. A remote attacker can use man-in-the-middle attack techniques to inject malicious content in the HTTP connection and execute arbitrary code with root privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Update to version 1.4.9.

Vulnerable software versions

APT: before 1.4.9

External links

http://justi.cz/security/2019/01/22/apt-rce.html
http://lists.debian.org/debian-security-announce/2019/msg00010.html


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. However, proof of concept for this vulnerability is available.



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