Red Hat Enterprise Linux 8 update for libarchive



Published: 2021-06-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2017-14502
CWE ID CWE-193
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Red Hat CodeReady Linux Builder for IBM z Systems
Operating systems & Components / Operating system

Red Hat CodeReady Linux Builder for ARM 64
Operating systems & Components / Operating system

Red Hat CodeReady Linux Builder for Power, little endian
Operating systems & Components / Operating system

Red Hat CodeReady Linux Builder for x86_64
Operating systems & Components / Operating system

Red Hat Enterprise Linux for ARM 64
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Power, little endian
Operating systems & Components / Operating system

Red Hat Enterprise Linux for IBM z Systems
Operating systems & Components / Operating system

Red Hat Enterprise Linux for x86_64
Operating systems & Components / Operating system

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

Vendor Red Hat Inc.

Security Advisory

This security advisory describes one low risk vulnerability.

1) Off-by-one

Risk: Low

CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-14502

CWE-ID: CWE-193 - Off-by-one Error

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to off-by-one error for UTF-16 names in RAR archives. A remote attacker can trigger an out-of-bounds read in archive_read_format_rar_read_header and cause the service to crash.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for IBM z Systems: 8.0

libarchive (Red Hat package): 3.3.2-4.el8_0, 3.3.2-7.el8, 3.3.2-8.el8_1, 3.3.2-9.el8

Red Hat CodeReady Linux Builder for ARM 64: 8.0

Red Hat CodeReady Linux Builder for Power, little endian: 8.0

Red Hat CodeReady Linux Builder for x86_64: 8.0

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for IBM z Systems: 8

Red Hat Enterprise Linux for x86_64: 8.0

CPE External links

https://access.redhat.com/errata/RHEA-2021:1580

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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