This update for ovmf fixes the following issues :

Security issues fixed :

  - CVE-2018-12180: Fixed a buffer overflow in BlockIo     service, which could lead to memory read/write overrun     (bsc#1127820).

  - CVE-2018-12178: Fixed an improper DNS check upon     receiving a new DNS packet (bsc#1127821).

  - CVE-2018-3630: Fixed a logic error in FV parsing which     could allow a local attacker to bypass the chain of     trust checks (bsc#1127822).

This update was imported from the SUSE:SLE-15:Update update project.

This update for ovmf fixes the following issues :

Security issues fixed :

  - CVE-2018-12180: Fixed a buffer overflow in BlockIo     service, which could lead to memory read/write overrun     (bsc#1127820).

  - CVE-2018-12178: Fixed an improper DNS check upon     receiving a new DNS packet (bsc#1127821).

  - CVE-2018-3630: Fixed a logic error in FV parsing which     could allow a local attacker to bypass the chain of     trust checks (bsc#1127822).&#9; 

This update was imported from the SUSE:SLE-12-SP3:Update update project.

Logic error in FV parsing in MdeModulePkg\Core\Pei\FwVol\FwVol.c (CVE-2018-3630)

Logic issue in variable service module for EDK II/UDK2018/UDK2017/UDK2015 may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access. (CVE-2017-5734)

A missing check leads to an out-of-bounds read and write flaw in NetworkPkg/DnsDxe as shipped in edk2, when it parses DNS responses. A remote attacker who controls the DNS server used by the vulnerable firmware may use this flaw to make the system crash. (CVE-2018-3613)

improper DNS packet size check (CVE-2018-12178)

Privilege escalation via heap-based buffer overflow in Decode() function (CVE-2017-5735)

Privilege escalation via heap-based buffer overflow in MakeTable() function (CVE-2017-5733)

Privilege escalation via processing of malformed files in TianoCompress.c (CVE-2017-5731)

Privilege escalation via processing of malformed files in BaseUefiDecompressLib.c (CVE-2017-5732)

A stack-based buffer overflow was discovered in edk2 when the HII database contains a Bitmap that claims to be 4-bit or 8-bit per pixel, but the palette contains more than 16(2^4) or 256(2^8) colors.
(CVE-2018-12181)

Buffer overflow in BlockIo service for EDK II may allow an unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via network access.
(CVE-2018-12180)

This update for ovmf fixes the following issues :

Security issues fixed :

CVE-2018-12180: Fixed a buffer overflow in BlockIo service, which could lead to memory read/write overrun (bsc#1127820).

CVE-2018-12178: Fixed an improper DNS check upon receiving a new DNS packet (bsc#1127821).

CVE-2018-3630: Fixed a logic error in FV parsing which could allow a local attacker to bypass the chain of trust checks (bsc#1127822).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
123543	openSUSE Security Update : ovmf (openSUSE-2019-1083)	Nessus	SuSE Local Security Checks	4/1/2019	6/6/2024	critical
122963	openSUSE Security Update : ovmf (openSUSE-2019-348)	Nessus	SuSE Local Security Checks	3/20/2019	6/13/2024	critical
128287	Amazon Linux 2 : edk2 (ALAS-2019-1273)	Nessus	Amazon Linux Local Security Checks	8/28/2019	5/1/2024	critical
122774	SUSE SLES15 Security Update : ovmf (SUSE-SU-2019:0580-1)	Nessus	SuSE Local Security Checks	3/12/2019	5/23/2022	critical
122773	SUSE SLES12 Security Update : ovmf (SUSE-SU-2019:0579-1)	Nessus	SuSE Local Security Checks	3/12/2019	5/23/2022	critical
122775	SUSE SLES12 Security Update : ovmf (SUSE-SU-2019:0581-1)	Nessus	SuSE Local Security Checks	3/12/2019	5/23/2022	critical

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