Multiple vulnerabilities in GraphicsMagick

1) Use-after-free

EUVDB-ID: #VU34940

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19950

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In GraphicsMagick 1.4 snapshot-20190403 Q8, there is a use-after-free in ThrowException and ThrowLoggedException of magick/error.c.

Mitigation

Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.4

External links

http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/44ab7f6c20b4
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00064.html
http://lists.debian.org/debian-lts-announce/2020/01/msg00029.html
http://sourceforge.net/p/graphicsmagick/bugs/603/
http://www.debian.org/security/2020/dsa-4640

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) Out-of-bounds write

EUVDB-ID: #VU34941

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19951

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In GraphicsMagick 1.4 snapshot-20190423 Q8, there is a heap-based buffer overflow in the function ImportRLEPixels of coders/miff.c.

Mitigation

Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.4

External links

http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/bc99af93614d
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00064.html
http://lists.debian.org/debian-lts-announce/2020/01/msg00029.html
http://sourceforge.net/p/graphicsmagick/bugs/608/
http://www.debian.org/security/2020/dsa-4640

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) Out-of-bounds read

EUVDB-ID: #VU34942

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19953

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 heap-based buffer over-read in the function EncodeImage of coders/pict.c. A remote attacker can perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.4

External links

http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/28f8bacd4bbf
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00064.html
http://lists.debian.org/debian-lts-announce/2020/01/msg00029.html
http://sourceforge.net/p/graphicsmagick/bugs/617/
http://www.debian.org/security/2020/dsa-4640

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.