Multiple vulnerabilities in ClamAV AntiVirus
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 7 |
| CVE-ID | CVE-2017-12374 CVE-2017-12375 CVE-2017-12376 CVE-2017-12377 CVE-2017-12378 CVE-2017-12379 CVE-2017-12380 |
| CWE-ID | CWE-416 CWE-120 CWE-126 CWE-476 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ClamAV Client/Desktop applications / Antivirus software/Personal firewalls |
| Vendor | ClamAV |
Security Bulletin
This security bulletin contains information about 7 vulnerabilities.
1) Use-after-free error
EUVDB-ID: #VU10312
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-12374
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to input validation checking mechanisms during parsing mbox.c operations on bounce messages. A remote attacker can send a specially crafted input, trigger use-after-free error and cause the service to crash.
Update to version 0.99.3.
ClamAV: 0.97.0 - 0.99.2
External linkshttp://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
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) Buffer overflow
EUVDB-ID: #VU10313
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-12375
CWE-ID:
CWE-120 - Buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to input validation checking mechanisms during parsing the rfc2047 function in mbox. A remote attacker can send a specially crafted input, trigger buffer overflow and cause the service to crash.
Update to version 0.99.3.
ClamAV: 0.97.0 - 0.99.2
External linkshttp://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
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) Buffer overflow
EUVDB-ID: #VU10314
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-12376
CWE-ID:
CWE-120 - Buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The weakness exists due to input validation checking mechanisms when handling Portable Document Format (.pdf) files. A remote attacker can send a specially crafted .pdf file, trigger handle_pdfname (in pdf.c) buffer overflow and cause the service to crash or execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Update to version 0.99.3.
ClamAV: 0.97.0 - 0.99.2
External linkshttp://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
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.
4) Heap-based buffer over-read
EUVDB-ID: #VU10315
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-12377
CWE-ID:
CWE-126 - Buffer over-read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The weakness exists due to input validation checking mechanisms in mew packet files. A remote attacker can send a specially crafted .pdf file, trigger a heap-based buffer over-read condition in mew.c and cause the service to crash or execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Update to version 0.99.3.
ClamAV: 0.97.0 - 0.99.2
External linkshttp://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
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.
5) Buffer over-read
EUVDB-ID: #VU10316
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-12378
CWE-ID:
CWE-126 - Buffer over-read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to input validation checking mechanisms of .tar (Tape Archive) files. A remote attacker can send a specially crafted input, trigger checksum buffer over-read condition and cause the service to crash.
Update to version 0.99.3.
ClamAV: 0.97.0 - 0.99.2
External linkshttp://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
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.
6) Buffer overflow
EUVDB-ID: #VU10317
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-12379
CWE-ID:
CWE-120 - Buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The weakness exists due to input validation checking mechanisms in the message parsing function. A remote attacker can send a specially crafted email, trigger a messageAddArgument (in message.c) buffer overflow condition and cause the service to crash or execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Update to version 0.99.3.
ClamAV: 0.97.0 - 0.99.2
External linkshttp://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
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.
7) Null pointer dereference
EUVDB-ID: #VU10318
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-12380
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to input validation checking mechanisms during parsing the rfc2047 function in mbox.c during certain mail parsing functions. A remote attacker can send a specially crafted email, trigger a NULL pointer dereference condition and cause the service to crash.
Update to version 0.99.3.
ClamAV: 0.97.0 - 0.99.2
External linkshttp://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
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.
