CVE-2019-17595

ncurses: heap-based buffer overflow in the fmt_entry function in tinfo/comp_hash.c

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

There is a heap-based buffer over-read in the fmt_entry function in tinfo/comp_hash.c in the terminfo library in ncurses before 6.1-20191012.

Hay una sobrelectura de búfer basada en memoria dinámica (heap) en la función fmt_entry en tinfo/comp_hash.c en la biblioteca terminfo en ncurses en versiones anteriores a la 6.1-20191012.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-10-14 CVE Reserved
2019-10-14 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-10-07 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-122: Heap-based Buffer Overflow
CWE-125: Out-of-bounds Read

CAPEC

References (7)

URL	Tag	Source

URL	Date	SRC
https://lists.gnu.org/archive/html/bug-ncurses/2019-10/msg00013.html	2024-08-05

URL	Date	SRC
https://lists.gnu.org/archive/html/bug-ncurses/2019-10/msg00045.html	2021-02-08

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00059.html	2021-02-08
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00061.html	2021-02-08
https://security.gentoo.org/glsa/202101-28	2021-02-08
https://access.redhat.com/security/cve/CVE-2019-17595	2021-11-09
https://bugzilla.redhat.com/show_bug.cgi?id=1766617	2021-11-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnu Search vendor "Gnu"		Ncurses Search vendor "Gnu" for product "Ncurses"				< 6.2 Search vendor "Gnu" for product "Ncurses" and version " < 6.2"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.0 Search vendor "Opensuse" for product "Leap" and version "15.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected