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Unscored Public exploit CVE-2007-4993 EUVD-2007-4974GHSA-43w7-6v4p-jxc3

pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest d…

Published Sep 27, 2007 · Updated Aug 7, 2024 · Assigned by redhat

Description

pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest domain to execute arbitrary commands in domain 0 via a crafted grub.conf file whose contents are used in exec statements.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 4.0 xen-3.0 3.0.3-0-3 DSA-1384-1

Red Hat

Security tracker ↗
ReleasePackageFixed inAdvisory
RHEL 5 xen +1 3.0.3-25.0.4.el5 RHSA-2007:0323
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Red Hat Rhel Virtualization 5 xen +1 3.0.3-25.0.4.el5 RHSA-2007:0323

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 2

References