SUSE update for ncurses
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-39537 |
| CWE-ID | CWE-787 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
SUSE Linux Enterprise Module for Legacy Software Operating systems & Components / Operating system SUSE MicroOS Operating systems & Components / Operating system SUSE Linux Enterprise Module for Development Tools Operating systems & Components / Operating system SUSE Linux Enterprise Module for Basesystem Operating systems & Components / Operating system libncurses6-32bit-debuginfo Operating systems & Components / Operating system package or component libncurses6-32bit Operating systems & Components / Operating system package or component terminfo-screen Operating systems & Components / Operating system package or component terminfo-iterm Operating systems & Components / Operating system package or component tack-debuginfo Operating systems & Components / Operating system package or component tack Operating systems & Components / Operating system package or component ncurses-devel-debuginfo Operating systems & Components / Operating system package or component ncurses-devel Operating systems & Components / Operating system package or component ncurses-devel-32bit-debuginfo Operating systems & Components / Operating system package or component ncurses-devel-32bit Operating systems & Components / Operating system package or component libncurses5-32bit-debuginfo Operating systems & Components / Operating system package or component libncurses5-32bit Operating systems & Components / Operating system package or component ncurses5-devel Operating systems & Components / Operating system package or component libncurses5-debuginfo Operating systems & Components / Operating system package or component libncurses5 Operating systems & Components / Operating system package or component terminfo-base Operating systems & Components / Operating system package or component terminfo Operating systems & Components / Operating system package or component ncurses-utils-debuginfo Operating systems & Components / Operating system package or component ncurses-utils Operating systems & Components / Operating system package or component ncurses-debugsource Operating systems & Components / Operating system package or component libncurses6-debuginfo Operating systems & Components / Operating system package or component libncurses6 Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Out-of-bounds write
EUVDB-ID: #VU57577
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-39537
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
MitigationUpdate the affected package ncurses to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Module for Legacy Software: 15-SP2 - 15-SP3
SUSE MicroOS: 5.0 - 5.1
SUSE Linux Enterprise Module for Development Tools: 15-SP2 - 15-SP3
SUSE Linux Enterprise Module for Basesystem: 15-SP2 - 15-SP3
libncurses6-32bit-debuginfo: before 6.1-5.9.1
libncurses6-32bit: before 6.1-5.9.1
terminfo-screen: before 6.1-5.9.1
terminfo-iterm: before 6.1-5.9.1
tack-debuginfo: before 6.1-5.9.1
tack: before 6.1-5.9.1
ncurses-devel-debuginfo: before 6.1-5.9.1
ncurses-devel: before 6.1-5.9.1
ncurses-devel-32bit-debuginfo: before 6.1-5.9.1
ncurses-devel-32bit: before 6.1-5.9.1
libncurses5-32bit-debuginfo: before 6.1-5.9.1
libncurses5-32bit: before 6.1-5.9.1
ncurses5-devel: before 6.1-5.9.1
libncurses5-debuginfo: before 6.1-5.9.1
libncurses5: before 6.1-5.9.1
terminfo-base: before 6.1-5.9.1
terminfo: before 6.1-5.9.1
ncurses-utils-debuginfo: before 6.1-5.9.1
ncurses-utils: before 6.1-5.9.1
ncurses-debugsource: before 6.1-5.9.1
libncurses6-debuginfo: before 6.1-5.9.1
libncurses6: before 6.1-5.9.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_module_for_legacy_software:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_module_for_legacy_software:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_microos:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_microos:5.1:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_module_for_development_tools:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_module_for_development_tools:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_module_for_basesystem:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_module_for_basesystem:15-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:libncurses6-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libncurses6-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:terminfo-screen:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:terminfo-iterm:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:tack-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:tack:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:ncurses-devel-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:ncurses-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:ncurses-devel-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:ncurses-devel-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libncurses5-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libncurses5-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:ncurses5-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libncurses5-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libncurses5:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:terminfo-base:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:terminfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:ncurses-utils-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:ncurses-utils:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:ncurses-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libncurses6-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:o:suse:libncurses6:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2021/suse-su-20213490-1/
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.
