OpenSUSE Linux update for libarchive
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 6 |
| CVE-ID | CVE-2018-1000877 CVE-2018-1000878 CVE-2018-1000879 CVE-2018-1000880 CVE-2019-1000019 CVE-2019-1000020 |
| CWE-ID | CWE-415 CWE-416 CWE-476 CWE-20 CWE-125 CWE-400 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #6 is available. |
| Vulnerable software Subscribe |
Opensuse Operating systems & Components / Operating system |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 6 vulnerabilities.
1) Double-free error
EUVDB-ID: #VU16726
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1000877
CWE-ID:
CWE-415 - Double Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to double-free error in RAR decoder - libarchive/archive_read_support_format_rar.c, parse_codes(), realloc(rar->lzss.window, new_size) with new_size = 0. A remote attacker can trick the victim into opening a specially crafted RAR archive and cause the service to crash.
MitigationUpdate the affected packages.
Opensuse: 15.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.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) Use-after-free error
EUVDB-ID: #VU16727
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1000878
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to use-after-free error in RAR decoder - libarchive/archive_read_support_format_rar.c. A remote attacker can trick the victim into opening a specially crafted RAR archive and cause the service to crash.
MitigationUpdate the affected packages.
Opensuse: 15.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.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) NULL pointer dereference
EUVDB-ID: #VU16728
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1000879
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to NULL Pointer Dereference vulnerability in ACL parser - libarchive/archive_acl.c, archive_acl_from_text_l(). A remote attacker can trick the victim into opening a specially crafted RAR archive and cause the service to crash.
MitigationUpdate the affected packages.
Opensuse: 15.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.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) Improper input validation
EUVDB-ID: #VU16729
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1000880
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to insufficient validation of user-supplied input in WARC parser - libarchive/archive_read_support_format_warc.c, _warc_read() that can result in DoS - quasi-infinite run time and disk usage from tiny file. A remote attacker can trick the victim into opening a specially crafted RAR archive and cause the service to crash.
MitigationUpdate the affected packages.
Opensuse: 15.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.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) Out-of-bounds read
EUVDB-ID: #VU20838
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-1000019
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in the header_bytes() function in archive_read_support_format_7zip.c when decompressing 7zip archives. A remote attacker can create a specially crafted 7zip file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.
MitigationUpdate the affected packages.
Opensuse: 15.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.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) Resource exhaustion
EUVDB-ID: #VU20541
Risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-1000020
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper parsing of ISO9660 files. A remote attacker can persuade a user to access an ISO9660, trigger an infinite loop condition and perform a denial of service (DoS) attack.
MitigationUpdate the affected packages.
Opensuse: 15.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.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. However, proof of concept for this vulnerability is available.
