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Ubuntu.comUB:CVE-2020-24825

HistoryAug 04, 2021 - 12:00 a.m.

CVE-2020-24825

2021-08-0400:00:00

ubuntu.com

vulnerability

libelfin v0.3

line_table function

denial of service

segmentation fault

crafted elf file

unix

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

25.9%

JSON

A vulnerability in the line_table::line_table function of Libelfin v0.3
allows attackers to cause a denial of service (DOS) through a segmentation
fault via a crafted ELF file.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibelfin< anyUNKNOWN
ubuntu20.04noarchlibelfin< anyUNKNOWN
ubuntu22.04noarchlibelfin< anyUNKNOWN
ubuntu24.04noarchlibelfin< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	libelfin	< any	UNKNOWN
ubuntu	20.04	noarch	libelfin	< any	UNKNOWN
ubuntu	22.04	noarch	libelfin	< any	UNKNOWN
ubuntu	24.04	noarch	libelfin	< any	UNKNOWN

References

github.com/aclements/libelfin/issues/46

github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-line_tableline_table-at-dwarflinecc104

launchpad.net/bugs/cve/CVE-2020-24825

nvd.nist.gov/vuln/detail/CVE-2020-24825

security-tracker.debian.org/tracker/CVE-2020-24825

www.cve.org/CVERecord?id=CVE-2020-24825

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

25.9%

JSON

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