CVE-2020-11869
published 2020-04-27CVE-2020-11869: An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in…
PriorityP411low3.3CVSS 3.1
AVLACLPRLUINSUCNINAL
EPSS
0.40%
31.6th percentile
An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | qemu | < qemu 1:5.0-1 (bookworm) | qemu 1:5.0-1 (bookworm) |
| msrc | cbl_mariner_1.0_arm | — | — |
| msrc | cbl_mariner_1.0_x64 | — | — |
| msrc | cm1_qemu-kvm_4.2.0-21_on_cbl_mariner_1.0 | — | — |
| qemu | qemu | >= 0 < 1:5.0-1 | 1:5.0-1 |
| qemu | qemu | >= 0 < 1:5.0-1 | 1:5.0-1 |
| qemu | qemu | >= 0 < 1:5.0-1 | 1:5.0-1 |
| qemu | qemu | >= 0 < 1:5.0-1 | 1:5.0-1 |
| qemu | qemu | >= 0 < 1:2.5+dfsg-5ubuntu10.44 | 1:2.5+dfsg-5ubuntu10.44 |
| qemu | qemu | >= 0 < 1:2.11+dfsg-1ubuntu7.26 | 1:2.11+dfsg-1ubuntu7.26 |
| qemu | qemu | >= 0 < 1:4.2-3ubuntu6.1 | 1:4.2-3ubuntu6.1 |
| qemu | qemu | 4.0.1 – 4.2.0 | — |
CVSS provenance
nvdv3.13.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv5.8MEDIUM
vendor_ubuntu5.8MEDIUM
vendor_debian3.3LOW
vendor_msrc3.3LOW
vendor_redhat3.3LOW
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GHSA
GHSA-v28g-xr7w-fvp4: An integer overflow was found in QEMU 4
ghsa_unreviewed·2022-05-24
CVE-2020-11869 [LOW] GHSA-v28g-xr7w-fvp4: An integer overflow was found in QEMU 4
An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
OSV
qemu vulnerabilities
osv·2020-05-21·CVSS 5.8
CVE-2019-15034 [MEDIUM] qemu vulnerabilities
qemu vulnerabilities
It was discovered that QEMU incorrectly handled bochs-display devices. A
local attacker in a guest could use this to cause a denial of service or
possibly execute arbitrary code in the host. This issue only affected
Ubuntu 19.10. (CVE-2019-15034)
It was discovered that QEMU incorrectly handled memory during certain VNC
operations. A remote attacker could possibly use this issue to cause QEMU
to consume resources, resulting in a denial of service. This issue only
affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.10.
(CVE-2019-20382)
It was discovered that QEMU incorrectly generated QEMU Pointer
Authentication signatures on ARM. A local attacker could possibly use this
issue to bypass PAuth. This issue only affected Ubuntu 19.10.
(CVE-2020-10702)
Ziming Zhan
OSV
CVE-2020-11869: An integer overflow was found in QEMU 4
osv·2020-04-27·CVSS 3.3
CVE-2020-11869 [LOW] CVE-2020-11869: An integer overflow was found in QEMU 4
An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
Ubuntu
QEMU vulnerabilities
vendor_ubuntu·2020-05-21·CVSS 5.8
CVE-2019-15034 [MEDIUM] QEMU vulnerabilities
Title: QEMU vulnerabilities
Summary: Several security issues were fixed in QEMU.
It was discovered that QEMU incorrectly handled bochs-display devices. A
local attacker in a guest could use this to cause a denial of service or
possibly execute arbitrary code in the host. This issue only affected
Ubuntu 19.10. (CVE-2019-15034)
It was discovered that QEMU incorrectly handled memory during certain VNC
operations. A remote attacker could possibly use this issue to cause QEMU
to consume resources, resulting in a denial of service. This issue only
affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.10.
(CVE-2019-20382)
It was discovered that QEMU incorrectly generated QEMU Pointer
Authentication signatures on ARM. A local attacker could possibly use this
issue to bypass PAuth. This is
Microsoft
An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write ope
vendor_msrc·2020-04-14·CVSS 3.3
CVE-2020-11869 [LOW] CWE-190 An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write ope
An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process resulting in a denial of service.
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began
Red Hat
qemu: integer overflow in ati_2d_blt() in hw/display/ati-2d.c could lead to DoS
vendor_redhat·2020-04-07·CVSS 3.3
CVE-2020-11869 [LOW] CWE-190 qemu: integer overflow in ati_2d_blt() in hw/display/ati-2d.c could lead to DoS
qemu: integer overflow in ati_2d_blt() in hw/display/ati-2d.c could lead to DoS
An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
An integer overflow flaw was found in QEMU in the way it implemented the ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations through ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
Statement: This flaw did not affect the following versions of Q
Debian
CVE-2020-11869: qemu - An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemen...
vendor_debian·2020·CVSS 3.3
CVE-2020-11869 [LOW] CVE-2020-11869: qemu - An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemen...
An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
Scope: local
bookworm: resolved (fixed in 1:5.0-1)
bullseye: resolved (fixed in 1:5.0-1)
forky: resolved (fixed in 1:5.0-1)
sid: resolved (fixed in 1:5.0-1)
trixie: resolved (fixed in 1:5.0-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-11869 qemu: integer overflow in ati_2d_blt() in hw/display/ati-2d.c could lead to DoS [fedora-all]
bugzilla·2020-06-16·CVSS 3.3
CVE-2020-11869 [LOW] CVE-2020-11869 qemu: integer overflow in ati_2d_blt() in hw/display/ati-2d.c could lead to DoS [fedora-all]
CVE-2020-11869 qemu: integer overflow in ati_2d_blt() in hw/display/ati-2d.c could lead to DoS [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affec
Bugzilla
CVE-2020-11869 qemu: integer overflow in ati_2d_blt() in hw/display/ati-2d.c could lead to DoS
bugzilla·2020-03-04·CVSS 3.3
CVE-2020-11869 [LOW] CVE-2020-11869 qemu: integer overflow in ati_2d_blt() in hw/display/ati-2d.c could lead to DoS
CVE-2020-11869 qemu: integer overflow in ati_2d_blt() in hw/display/ati-2d.c could lead to DoS
Function ati_2d_blt() in hw/display/ati-2d.c is affected by an integer overflow
vulnerability leading to potential out-of-bounds read/write operations.
Specifically, variables `s->regs.dst_x` and `s->regs.dst_y` are set to less than
0x3fff in function ati_mm_write() in ati.c. However, it turns out they can
infinitely increase the size to exceed 0x3fff in the switch case ROP3_SRCCOPY
in function ati_2d_blt():
1) when looping, first set `dst_stride` to 0 to pass the check
`dst_bits + dst_x + (dst_y + s-> regs.dst_height) * dst_stride> = end`
2) after `dst_x` and `dst_y` assume a large value, `dst_stride` can be set
3) expression `dst_x + (dst_y + s-> regs.dst_height) * dst_stride` can be set
t
http://www.openwall.com/lists/oss-security/2020/04/24/2https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ac2071c3791b67fc7af78b8ceb320c01ca1b5df7https://usn.ubuntu.com/4372-1/http://www.openwall.com/lists/oss-security/2020/04/24/2https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ac2071c3791b67fc7af78b8ceb320c01ca1b5df7https://usn.ubuntu.com/4372-1/
2020-04-27
Published