2.1
CVSSv2

CVE-2018-18438

Published: 19/10/2018 Updated: 04/08/2021
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.

Vulnerability Trend

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qemu qemu -

redhat enterprise linux 6.0

redhat enterprise linux 7.0

redhat openstack 9

redhat openstack 10

redhat openstack 12

redhat openstack 13

redhat openstack 8

Vendor Advisories

Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value ...
Debian Bug report logs - #911470 qemu: CVE-2018-18438: Integer overflow in ccid_card_vscard_read() allows memory corruption Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 20 Oct 2018 14:51:02 UTC ...
Debian Bug report logs - #915884 qemu: CVE-2018-16867: dev-mtp: path traversal in usb_mtp_write_data of the Media Transfer Protocol (MTP) Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 7 Dec 2018 ...
Debian Bug report logs - #902725 CVE-2018-12617 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Fri, 29 Jun 2018 21:09:06 UTC Severity: important Tags: security Found in version qemu/1:212+dfsg-3 Fixed in ...
Debian Bug report logs - #911499 qemu: CVE-2018-17958: rtl8139: integer overflow leads to buffer overflow Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 20 Oct 2018 21:15:01 UTC Severity: import ...
Debian Bug report logs - #914604 qemu: CVE-2018-18954: ppc64: Out-of-bounds r/w stack access in pnv_lpc_do_eccb Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sun, 25 Nov 2018 15:48:01 UTC Severity: i ...
Debian Bug report logs - #911468 qemu: CVE-2018-17962: pcnet: integer overflow leads to buffer overflow Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 20 Oct 2018 14:45:03 UTC Severity: grave Tag ...
Debian Bug report logs - #914727 qemu: CVE-2018-19489: 9pfs: crash due to race condition in renaming files Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 26 Nov 2018 18:21:01 UTC Severity: import ...
Debian Bug report logs - #910431 qemu: CVE-2018-10839: integer overflow leads to buffer overflow issue Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 6 Oct 2018 07:42:02 UTC Severity: grave Tags ...
Debian Bug report logs - #907500 qemu: CVE-2018-15746: seccomp: blacklist is not applied to all threads Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 28 Aug 2018 19:57:04 UTC Severity: important ...
Debian Bug report logs - #912535 qemu: CVE-2018-18849 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Thu, 1 Nov 2018 07:18:02 UTC Severity: important Tags: patch, security, upstream Found in version ...
Debian Bug report logs - #911469 qemu: CVE-2018-17963: net: ignore packets with large size Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 20 Oct 2018 14:45:07 UTC Severity: grave Tags: security, ...
Debian Bug report logs - #914599 qemu: CVE-2018-19364: Use-after-free due to race condition while updating fid path Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sun, 25 Nov 2018 15:09:01 UTC Severit ...
Debian Bug report logs - #901017 qemu: CVE-2018-11806: slirp: heap buffer overflow while reassembling fragmented datagrams Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 8 Jun 2018 03:42:01 UTC ...