SUSE update for ncurses

1) Input validation error

EUVDB-ID: #VU84723

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-2023-50495

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the _nc_wrap_entry() function. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package ncurses to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit 12: SP5

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

libncurses6-32bit: before 5.9-85.1

ncurses-devel-debuginfo-32bit: before 5.9-85.1

libncurses5-debuginfo-32bit: before 5.9-85.1

libncurses5-32bit: before 5.9-85.1

libncurses6-debuginfo-32bit: before 5.9-85.1

ncurses-devel-32bit: before 5.9-85.1

libncurses5-debuginfo: before 5.9-85.1

libncurses6: before 5.9-85.1

tack-debuginfo: before 5.9-85.1

libncurses5: before 5.9-85.1

tack: before 5.9-85.1

terminfo: before 5.9-85.1

ncurses-utils-debuginfo: before 5.9-85.1

ncurses-utils: before 5.9-85.1

libncurses6-debuginfo: before 5.9-85.1

terminfo-base: before 5.9-85.1

ncurses-debugsource: before 5.9-85.1

ncurses-devel: before 5.9-85.1

ncurses-devel-debuginfo: before 5.9-85.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:libncurses6-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ncurses-devel-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libncurses5-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libncurses5-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libncurses6-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ncurses-devel-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libncurses5-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libncurses6:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tack-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libncurses5:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tack:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:terminfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ncurses-utils-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ncurses-utils:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libncurses6-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:terminfo-base:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ncurses-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ncurses-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ncurses-devel-debuginfo:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20234892-1/

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.