Risk | High |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2021-39537 CVE-2022-29458 |
CWE-ID | CWE-787 CWE-125 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Amazon Linux AMI Operating systems & Components / Operating system ncurses Operating systems & Components / Operating system package or component |
Vendor | Amazon Web Services |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU57577
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
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 packages:
aarch64:Vulnerable software versions
ncurses-static-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-compat-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-libs-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-c++-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-compat-libs-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-c++-libs-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-debuginfo-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-debugsource-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-devel-6.2-4.20200222.amzn2023.0.3.aarch64
noarch:
ncurses-base-6.2-4.20200222.amzn2023.0.3.noarch
ncurses-term-6.2-4.20200222.amzn2023.0.3.noarch
src:
ncurses-6.2-4.20200222.amzn2023.0.3.src
x86_64:
ncurses-static-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-c++-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-debuginfo-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-compat-libs-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-c++-libs-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-compat-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-libs-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-debugsource-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-devel-6.2-4.20200222.amzn2023.0.3.x86_64
Amazon Linux AMI: All versions
ncurses: before 6.2-4.20200222
CPE2.3 External linkshttp://alas.aws.amazon.com/AL2023/ALAS-2023-023.html
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.
EUVDB-ID: #VU64274
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-29458
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in convert_strings in tinfo/read_entry.c in the terminfo library. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
MitigationUpdate the affected packages:
aarch64:Vulnerable software versions
ncurses-static-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-compat-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-libs-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-c++-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-compat-libs-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-c++-libs-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-debuginfo-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-debugsource-6.2-4.20200222.amzn2023.0.3.aarch64
ncurses-devel-6.2-4.20200222.amzn2023.0.3.aarch64
noarch:
ncurses-base-6.2-4.20200222.amzn2023.0.3.noarch
ncurses-term-6.2-4.20200222.amzn2023.0.3.noarch
src:
ncurses-6.2-4.20200222.amzn2023.0.3.src
x86_64:
ncurses-static-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-c++-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-debuginfo-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-compat-libs-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-c++-libs-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-compat-libs-debuginfo-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-libs-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-debugsource-6.2-4.20200222.amzn2023.0.3.x86_64
ncurses-devel-6.2-4.20200222.amzn2023.0.3.x86_64
Amazon Linux AMI: All versions
ncurses: before 6.2-4.20200222
CPE2.3 External linkshttp://alas.aws.amazon.com/AL2023/ALAS-2023-023.html
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.