This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU81865
Risk: High
CVSSv3.1:
CVE-ID: CVE-2023-38545
CWE-ID: CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the SOCKS5 proxy handshake. A remote attacker can trick the victim to visit a malicious website, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires that SOCKS5 proxy is used and that SOCKS5 handshake is slow (e.g. under heavy load or 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_0.9
CPE2.3
External links
http://access.redhat.com/errata/RHSA-2023:5700
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
EUVDB-ID: #VU81863
Risk: Low
CVSSv3.1:
CVE-ID: CVE-2023 ..
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