OpenSUSE Linux update for libpng16
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2018-13785 CVE-2019-7317 |
| CWE-ID | CWE-369 CWE-190 CWE-416 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Opensuse Operating systems & Components / Operating system |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Integer overflow
EUVDB-ID: #VU14544
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-13785
CWE-ID:
CWE-369 - Divide By Zero
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to integer overflow when a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c). A remote attacker can send a specially crafted PNG file, trigger divide-by-zero error and cause the service to crash.
MitigationUpdate the affected packages.
Opensuse: 15.0 - 15.1
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-06/msg00021.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
EUVDB-ID: #VU17708
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-7317
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 a use-after-free memory error in the png_image_free function, as defined in the png.c source code file when calling on png_safe_execute. A remote attacker can send specially crafted data, trigger a call on png_safe_execute and trigger memory corruption, resulting in a DoS condition.
MitigationUpdate the affected packages.
Opensuse: 15.0 - 15.1
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-06/msg00021.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.
