CVE-2021-37616
Description
Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A null pointer dereference was found in Exiv2 versions v0.27.4 and earlier. The null pointer dereference is triggered when Exiv2 is used to print the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when printing the interpreted (translated) data, which is a less frequently used Exiv2 operation that requires an extra command line option (`-p t` or `-P t`). The bug is fixed in version v0.27.5.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-37616.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-37616
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 0.27.5-1 | |
| debian | bookworm | fixed | 0.27.5-1 |
| debian | bullseye | fixed | 0.27.3-3+deb11u2 |
| debian | forky | fixed | 0.27.5-1 |
| debian | sid | fixed | 0.27.5-1 |
| debian | trixie | fixed | 0.27.5-1 |
| sles | affected | |
References
Verify integrity in audit chain (admin only). AS-IS.