PT-2023-9404 · Ncurses+4 · Ncurses+4

Ziqiao Kong · Publicado 2023-12-12 · Atualizado 2026-04-10 · CVE-2023-50495

Positive Technologies (AI Summary)

CVSS v2.0

7.8

Alta

Vetor base

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions NCurse version 6.4-20230418

Description The issue is related to a segmentation fault in the nc wrap entry() component of the ncurses library, which can be exploited to cause a denial of service. This can be achieved by a remote attacker. The estimated number of potentially affected devices worldwide is not specified.

Recommendations For NCurse version 6.4-20230418, as a temporary workaround, consider disabling the nc wrap entry() function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Enumeração de Fraquezas

CWE-119

Identificadores relacionados

AZL-32177

BDU:2024-07256

CVE-2023-50495

ECHO-F593-31A2-90DF

OESA-2023-1969

OPENSUSE-SU-2023_4891-1

SUSE-SU-2023:4891-1

SUSE-SU-2023:4892-1

SUSE-SU-2023_4891-1

SUSE-SU-2023_4892-1

USN-6684-1

Produtos afetados

Debian

Ncurses

Red Os

Suse

Ubuntu

Referências · 36

• https://twitter.com/CVEnew/status/1734581599050641472 · Publicação no Twitter
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LU4MYMKFEZQ5VSCVLRIZGDQOUW3T44GT · Aviso do Fabricante
• https://bugzilla.suse.com/1218014 · Nota
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1969 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2023-50495 · Nota de Segurança
• https://osv.dev/vulnerability/SUSE-SU-2023:4892-1 · Aviso do Fabricante
• https://lists.gnu.org/archive/html/bug-ncurses/2023-04/msg00029.html · Correção
• https://redos.red-soft.ru/support/secure · Nota
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/uyazvimost-ncurses-cve-2023-50495 · Nota
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-50495 · Aviso do Fabricante
• https://osv.dev/vulnerability/OESA-2023-1969 · Aviso do Fabricante
• https://cve.org/CVERecord?id=CVE-2023-50495 · Nota de Segurança
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2023-50495 · Aviso do Fabricante
• https://suse.com/support/update/announcement/2023/suse-su-20234891-1 · Nota
• https://security.netapp.com/advisory/ntap-20240119-0008 · Nota