SUSE update for libdwarf

1) Out-of-bounds read

EUVDB-ID: #VU78001

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-27545

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a one-byte out-of-bounds read. A remote attacker can pass specially crafted input to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libdwarf to the latest version.

Vulnerable software versions

SUSE Package Hub 15: 15-SP4 - 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP5

SUSE Linux Enterprise Server 15: SP4 - SP5

SUSE Linux Enterprise Real Time 15: SP4 - SP5

SUSE Linux Enterprise Desktop 15: SP4 - SP5

SUSE Linux Enterprise Micro: 5.3 - 5.4

SUSE Linux Enterprise High Performance Computing 15: SP4

openSUSE Leap: 15.4 - 15.5

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

libdwarf-tools: before 20161124-150000.3.6.1

libdwarf-devel: before 20161124-150000.3.6.1

libdwarf-debugsource: before 20161124-150000.3.6.1

libdwarf-devel-static: before 20161124-150000.3.6.1

libdwarf-debuginfo: before 20161124-150000.3.6.1

libdwarf1: before 20161124-150000.3.6.1

libdwarf-tools-debuginfo: before 20161124-150000.3.6.1

libdwarf-devel-debuginfo: before 20161124-150000.3.6.1

libdwarf1-debuginfo: before 20161124-150000.3.6.1

libdwarf-doc: before 20161124-150000.3.6.1

CPE2.3

• cpe:2.3:o:suse:suse_package_hub_15:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_package_hub_15:15-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
• cpe:2.3:a:suse:libdwarf-tools:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdwarf-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdwarf-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdwarf-devel-static:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdwarf-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdwarf1:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdwarf-tools-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdwarf-devel-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdwarf1-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdwarf-doc:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232784-1/

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.