spice-vdagent: memory DoS via arbitrary entries in active_xfers hash table
Published Nov 25, 2020
5.5
MEDIUMCVSS 3.1
EPSS 0.50%
Description
A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd or even other processes in the VM system. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and previous versions.
Affected products
- Vendor n/a Product Spice-Vdagent Defaultn/a
- Version spice-vdagent versions prior and including 0.20StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Spice-Vdagent | n/a |
|
Configuration 1
- ≤ 0.20.0
Configuration 2
- 9.0
Configuration 3
- 32
- 33
No data.
Red Hat Enterprise Linux 8
spice-vdagent-0:0.20.0-3.el8
Fixed · RHSA-2021:1791
Red Hat Enterprise Linux 6
spice-vdagent
Out of support scope
Red Hat Enterprise Linux 7
spice-vdagent
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | spice-vdagent-0:0.20.0-3.el8 | Fixed | RHSA-2021:1791 |
| Red Hat Enterprise Linux 6 | spice-vdagent | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | spice-vdagent | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (9)
- https://access.redhat.com/security/cve/CVE-2020-25650 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1886345 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-18314 Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00012.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-25650
- https://www.cve.org/CVERecord?id=CVE-2020-25650
- https://www.openwall.com/lists/oss-security/2020/11/04/1 x_refsource_MISCExploitMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2020-25650 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1886345 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-18314 | Advisory | |
| https://lists.debian.org/debian-lts-announce/2021/01/msg00012.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/ | vendor-advisoryx_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/ | vendor-advisoryx_refsource_FEDORA | |
| https://nvd.nist.gov/vuln/detail/CVE-2020-25650 | ||
| https://www.cve.org/CVERecord?id=CVE-2020-25650 | ||
| https://www.openwall.com/lists/oss-security/2020/11/04/1 | x_refsource_MISCExploitMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.