high7.0
CVE-2021-3697
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap.
Impact
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Gnu | Grub2 | from 2.00 before 2.12 |
| Redhat | Developer Tools | Version 1.0 |
| Redhat | Openshift | Version 3.0 |
| Redhat | Enterprise Linux | Versions 8.0, 8.1, 8.4, 9.0 |
| Redhat | Enterprise Linux Eus | Versions 8.2, 8.4, 8.6, 9.0 |
| Redhat | Enterprise Linux For Power Little Endian | Versions 8.0, 9.0 |
| Redhat | Enterprise Linux For Power Little Endian Eus | Versions 8.2, 8.4, 8.6, 9.0 |
| Redhat | Enterprise Linux Server Aus | Versions 8.2, 8.4, 8.6 |
| Redhat | Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | Versions 8.1, 8.2, 8.4, 8.6, 9.0 |
| Redhat | Enterprise Linux Server Tus | Versions 8.2, 8.4, 8.6 |
| Redhat | Openshift Container Platform | Versions 4.6, 4.9, 4.10 |
| Redhat | Codeready Linux Builder | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=1991687
- https://security.gentoo.org/glsa/202209-12
- https://security.netapp.com/advisory/ntap-20220930-0001/
- https://bugzilla.redhat.com/show_bug.cgi?id=1991687
- https://security.gentoo.org/glsa/202209-12
- https://security.netapp.com/advisory/ntap-20220930-0001/