Multiple denial of service vulnerabilities in GNU Binutils



| Updated: 2025-05-23
Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2018-18605
CVE-2018-18607
CVE-2018-18606
CWE-ID CWE-125
CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU109669

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-18605

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the sec_merge_hash_lookup() function in merge.c. A remote attacker can pass a specially crafted ELF file to the application and crash it.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Binutils: 2.7 - 2.31

CPE2.3 External links

https://security.netapp.com/advisory/ntap-20190307-0003/
https://sourceware.org/bugzilla/show_bug.cgi?id=23804
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ab419ddbb2cdd17ca83618990f2cacf904ce1d61
https://usn.ubuntu.com/4336-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) NULL pointer dereference

EUVDB-ID: #VU109672

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-18607

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to NULL pointer dereference within the elf_link_input_bfd() function in elflink.c. A remote attacker can trick the victim into processing a specially crafted file and crash the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Binutils: 2.7 - 2.31

CPE2.3 External links

https://security.netapp.com/advisory/ntap-20190307-0003/
https://sourceware.org/bugzilla/show_bug.cgi?id=23805
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=102def4da826b3d9e169741421e5e67e8731909a
https://usn.ubuntu.com/4336-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) NULL pointer dereference

EUVDB-ID: #VU109671

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-18606

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to NULL pointer dereference within the merge_strings() function in merge.c. A remote attacker can trick the victim into processing a specially crafted file and crash the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Binutils: 2.7 - 2.31

CPE2.3 External links

https://security.netapp.com/advisory/ntap-20190307-0003/
https://sourceware.org/bugzilla/show_bug.cgi?id=23806
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=45a0eaf77022963d639d6d19871dbab7b79703fc
https://usn.ubuntu.com/4336-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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