CVE-2023-29491
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.0% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.0% · EPSS, next 30 days
- Weakness
- CWE-787 · Out-of-bounds write
- Record status
- Modified
Affected
- invisible-island Ncurses < 6.4
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-29491.md and follow it. Check whether this project is affected by CVE-2023-29491. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2023/04/19/10
- https://www.openwall.com/lists/oss-security/2023/04/13/4
- http://www.openwall.com/lists/oss-security/2023/04/19/10
- https://www.openwall.com/lists/oss-security/2023/04/13/4
References
- http://ncurses.scripts.mit.edu/?p=ncurses.git%3Ba=commit%3Bh=eb51b1ea1f75a0ec17c9c5937cb28df1e8eeec56
- http://www.openwall.com/lists/oss-security/2023/04/19/10
- http://www.openwall.com/lists/oss-security/2023/04/19/11
- 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/
- https://support.apple.com/kb/HT213843
- https://support.apple.com/kb/HT213844
- https://support.apple.com/kb/HT213845
- https://www.openwall.com/lists/oss-security/2023/04/12/5
- https://www.openwall.com/lists/oss-security/2023/04/13/4
- http://ncurses.scripts.mit.edu/?p=ncurses.git%3Ba=commit%3Bh=eb51b1ea1f75a0ec17c9c5937cb28df1e8eeec56
- http://www.openwall.com/lists/oss-security/2023/04/19/10
- http://www.openwall.com/lists/oss-security/2023/04/19/11
- 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://lists.fedoraproject.org/archives/list/[email protected]/message/LU4MYMKFEZQ5VSCVLRIZGDQOUW3T44GT/
- https://security.netapp.com/advisory/ntap-20230517-0009/
- https://support.apple.com/kb/HT213843
- https://support.apple.com/kb/HT213844
- https://support.apple.com/kb/HT213845
- https://www.openwall.com/lists/oss-security/2023/04/12/5
- https://www.openwall.com/lists/oss-security/2023/04/13/4
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html