Denial of service in Cairo
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2017-9814 CVE-2017-7475 CVE-2016-9082 |
| CWE-ID | CWE-125 CWE-476 CWE-190 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Cairo Universal components / Libraries / Libraries used by multiple products |
| Vendor | cairographics |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Out-of-bounds read
EUVDB-ID: #VU12616
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-2017-9814
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in cairo-truetype-subset.c due to out-of-bounds read because of mishandling of an unexpected malloc(0) call. A remote attacker can cause the service to crash.
Install update from vendor's website.
Vulnerable software versionsCairo: 1.15.2 - 1.15.6
External linkshttp://bugs.freedesktop.org/show_bug.cgi?id=101547
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: #VU13198
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-2017-7475
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 vulnerability exists due to NULL pointer dereference related to the FT_Load_Glyph and FT_Render_Glyph. A remote attacker can send specially crafted input and cause the service to crash.
MitigationInstall update from vendor's website.
Vulnerable software versionsCairo: 1.15.4
External linkshttp://seclists.org/oss-sec/2017/q2/151
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) Integer overflow
EUVDB-ID: #VU13197
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-2016-9082
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to integer overflow in the write_png function. A remote attacker can send a specially crafted large svg file, trigger invalid pointer dereference and cause the service to crash.
MitigationInstall update from vendor's website.
Vulnerable software versionsCairo: 1.14.6
External linkshttp://www.openwall.com/lists/oss-security/2016/10/27/2
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.
