CVE-2022-29977 - Reachable Assertion

Severity

65%

Complexity

27%

Confidentiality

60%

There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.

CVSS 3.1 Base Score 6.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P).

Demo Examples

Reachable Assertion

CWE-617

In the excerpt below, an AssertionError (an unchecked exception) is thrown if the user hasn't entered an email address in an HTML form.


               
assert email != null;

Overview

First reported 2 years ago

2022-05-11 14:15:00

Last updated 2 years ago

2022-05-19 13:33:00

Affected Software

Libsixel Project Libsixel 1.8.6

1.8.6

References

https://github.com/saitoha/libsixel/issues/165

https://github.com/saitoha/libsixel/issues/165

Exploit, Issue Tracking, Third Party Advisory

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