Stack-based buffer overflow in cups (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-8675
CWE-ID CWE-121
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 cups (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU23042

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-8675

CWE-ID: CWE-121 - Stack-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 when processing SNMP requests within the asn1_get_type() function in cups/snmp.c. A remote attacker can send a specially crafted SNMP request to the CUPS service, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

cups (Alpine package): 2.2.2-r0 - 2.2.11-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=6f2628e207c537c621826025430a496c75d391c6
https://git.alpinelinux.org/aports/commit/?id=a32e693da9e322310101b4bd200d87fc718477c9
https://git.alpinelinux.org/aports/commit/?id=1e85ba7cf47c73eaf15e950267dba27e92ae3d1d
https://git.alpinelinux.org/aports/commit/?id=64af49ed3e853123c696b85177fc35a89b132627
https://git.alpinelinux.org/aports/commit/?id=98a722f7fed8e0634558ab336f366a1212fb9b27
https://git.alpinelinux.org/aports/commit/?id=aab6fd6ad9335b5dcd7ffbb1541583e2f722114d
https://git.alpinelinux.org/aports/commit/?id=d76f1a5eb2c5b7d28084d2409d4c37b49a3892fe


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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