Medium severity · published Aug 4, 2021
CVE-2020-24826
A vulnerability in the elf::section::as_strtab function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file
5.5
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability in the elf::section::as_strtab function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libelfin · Libelfin Project
0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24826
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-24826
Exploit
https://github.com/aclements/libelfin/issues/49
Exploit
https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-elfsectionas_strtab-at-elfelfcc284
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A vulnerability in the dwarf::cursor::skip_form function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file
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CVE-2020-24825
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
5.5
CVE-2020-24824
A global buffer overflow issue in the dwarf::line_table::line_table function of Libelfin v0.3 allows attackers to cause a denial of service (DOS)
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CVE-2020-24823
A vulnerability in the dwarf::to_string function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file