Debian update for nodejs



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-8265
CVE-2020-8287
CWE-ID CWE-416
CWE-444
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
 nodejs (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU49254

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-8265

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a DoS attack..

The vulnerability exists due to a use-after-free error in TLSWrap within the TLS implementation. A remote attacker can send specially crafted data to the service and perform a denial of service (DoS) attack.


Mitigation

Update nodejs package to version 10.23.1~dfsg-1~deb10u1.

Vulnerable software versions

nodejs (Debian package): 10.21.0~dfsg-1~deb10u1

CPE2.3 External links

https://www.debian.org/security/2021/dsa-4826


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.

2) HTTP request smuggling

EUVDB-ID: #VU49253

Risk: Medium

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2020-8287

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Update nodejs package to version 10.23.1~dfsg-1~deb10u1.

Vulnerable software versions

nodejs (Debian package): 10.21.0~dfsg-1~deb10u1

CPE2.3 External links

https://www.debian.org/security/2021/dsa-4826


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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