Red Hat Enterprise Linux 9.0 Extended Update Support update for curl



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-32221
CVE-2023-23916
CWE-ID CWE-440
CWE-770
Exploitation vector Network
Public exploit N/A
Vulnerable software
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Operating systems & Components / Operating system package or component

curl (Red Hat package)
Operating systems & Components / Operating system package or component

Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux for x86_64 - Extended Update Support
Operating systems & Components / Operating system

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Expected behavior violation

EUVDB-ID: #VU68746

Risk: Medium

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-32221

CWE-ID: CWE-440 - Expected Behavior Violation

Exploit availability: No

Description

The vulnerability allows a remote attacker to force unexpected application behavior.

The vulnerability exists due to a logic error for a reused handle when processing subsequent HTTP PUT and POST requests. The libcurl can erroneously use the read callback (CURLOPT_READFUNCTION) to ask for data to send, even when the CURLOPT_POSTFIELDS option has been set, if the same handle previously was used to issue a PUT request, which used that callback. As a result, such behavior can influence application flow and force unpredictable outcome.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.0

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.0

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.0

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.0

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.0

curl (Red Hat package): before 7.76.1-14.el9_0.6

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2023:4139


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) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU72337

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-2023-23916

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect implementation of the "chained" HTTP compression algorithms, where the number of links in the decompression chain was limited for each header instead of the entire request. A remote attacker can send a specially crafted compressed HTTP request with numerous headers and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.0

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.0

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.0

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.0

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.0

curl (Red Hat package): before 7.76.1-14.el9_0.6

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2023:4139


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.



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