Two libarchive vulnerabilities in F5 BIG-IQ Centralized Management



Risk Low
Patch available NO
Number of vulnerabilities 2
CVE-ID CVE-2018-1000877
CVE-2018-1000878
CWE-ID CWE-415
CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
BIG-IQ Centralized Management
Server applications / Remote management servers, RDP, SSH

Vendor F5 Networks

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Double-free error

EUVDB-ID: #VU16726

Risk: Low

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2018-1000877

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition.

The vulnerability exists due to double-free error in RAR decoder - libarchive/archive_read_support_format_rar.c, parse_codes(), realloc(rar->lzss.window, new_size) with new_size = 0. A remote attacker can trick the victim into opening a specially crafted RAR archive and cause the service to crash.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Note, the vulnerabilities affects webUI and tmsh utility.

Vulnerable software versions

BIG-IQ Centralized Management: 8.2.0 - 8.3.0

CPE2.3 External links

http://my.f5.com/manage/s/article/K000140964


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free error

EUVDB-ID: #VU16727

Risk: Low

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2018-1000878

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition.

The vulnerability exists due to use-after-free error in RAR decoder - libarchive/archive_read_support_format_rar.c. A remote attacker can trick the victim into opening a specially crafted RAR archive and cause the service to crash.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Note, the vulnerabilities affects webUI and tmsh utility.

Vulnerable software versions

BIG-IQ Centralized Management: 8.2.0 - 8.3.0

CPE2.3 External links

http://my.f5.com/manage/s/article/K000140964


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###