Home/CVE/ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory c
CVE

CVE-2023-29491

ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory c

ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.

HIGH · CVSS 7.8 EPSS 0.00079
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
gnu ncurses< 6.4
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Apr 2023 · 01:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

12
siemens-csafSSA-202008
siemens-csafSSA-398330
usnUSN-6099-1
suse-csafSUSE-SU-2023:2111-1
suse-csafSUSE-SU-2023:2112-1
🔗

References & Sources

12
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://ncurses.scripts.mit.edu/?p=ncurses.git
http://www.openwall.com/lists/oss-security/2023/04/19/10Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2023/04/19/11ExploitMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LU4MYMKFEZQ5VSCVLRIZGDQOUW3T44GT/
https://security.netapp.com/advisory/ntap-20230517-0009/
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