CVE-2018-12181: Buffer Overflow
First published: Thu Mar 07 2019(Updated: )
A stack buffer overflow was found in edk2 when the HII database contains a Bitmap who claims as 4-bit or 8-bit per pixel, but the palette contains more than 16(2^4) or 256(2^8) colors. Upstream issue: <a href="https://bugzilla.tianocore.org/show_bug.cgi?id=1135">https://bugzilla.tianocore.org/show_bug.cgi?id=1135</a> References: <a href="https://lists.01.org/pipermail/edk2-devel/2019-March/037626.html">https://lists.01.org/pipermail/edk2-devel/2019-March/037626.html</a>
Credit: secure@intel.com secure@intel.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ovmf | <0:20180508-6.gitee3198e672e2.el7 | 0:20180508-6.gitee3198e672e2.el7 |
| redhat/edk2 | <0:20190308git89910a39dcfd-6.el8 | 0:20190308git89910a39dcfd-6.el8 |
| Tianocore EDK II | ||
| debian/edk2 | 2020.11-2+deb11u2 2022.11-6+deb12u1 2024.05-2 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2018-12181 https://nvd.nist.gov/vuln/detail/CVE-2018-12181
- https://bugzilla.redhat.com/show_bug.cgi?id=1686783
- https://access.redhat.com/errata/RHSA-2019:2125
- https://access.redhat.com/errata/RHSA-2019:3338
- https://access.redhat.com/security/cve/cve-2018-12181
- https://edk2-docs.gitbooks.io/security-advisory/content/stack-overflow-on-corrupted-bmp.html
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00048.html
- https://usn.ubuntu.com/4349-1/
- https://launchpad.net/bugs/cve/CVE-2018-12181
- https://bugzilla.tianocore.org/show_bug.cgi?id=1135
- https://lists.01.org/pipermail/edk2-devel/2019-March/037626.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1686785
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1686784
- https://github.com/tianocore/edk2/commit/ffe5f7a6b4e978dffbe1df228963adc914451106
- https://github.com/tianocore/edk2/commit/89910a39dcfd788057caa5d88b7e76e112d187b5
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/
- https://security-tracker.debian.org/tracker/CVE-2018-12181
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12181
- https://nvd.nist.gov/vuln/detail/CVE-2018-12181
- https://ubuntu.com/security/CVE-2018-12181
Frequently Asked Questions
What is CVE-2018-12181?
CVE-2018-12181 is a vulnerability that allows an unprivileged user to potentially enable denial of service through a stack overflow in corrupted bmp for EDK II.
What is the severity of CVE-2018-12181?
CVE-2018-12181 has a severity level of medium.
Which software is affected by CVE-2018-12181?
The affected software includes ovmf version 0:20180508-6.gitee3198e672e2.el7, edk2 version 0:20190308git89910a39dcfd-6.el8, and several versions of edk2 in Debian and Ubuntu.
How can I fix CVE-2018-12181?
To fix CVE-2018-12181, update the affected software to the recommended versions provided by the respective vendors.
Where can I find more information about CVE-2018-12181?
You can find more information about CVE-2018-12181 on the following references: [link1](https://bugzilla.tianocore.org/show_bug.cgi?id=1135), [link2](https://lists.01.org/pipermail/edk2-devel/2019-March/037626.html), [link3](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1686785).
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