CVE-2020-28013

Exim 4 before 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.'" on the command line, and thus may allow privilege escalation from any user to root. This occurs because of the interpretation of negative sizes in strncpy...

CVE-2020-28013

Exim 4 before 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.'" on the command line, and thus may allow privilege escalation from any user to root. This occurs because of the interpretation of negative sizes in strncpy...

AZL-36999 CVE-2021-20254 affecting package samba for versions less than 4.18.3-1

A flaw was found in samba. The Samba smbd file server must map Windows group identities SIDs into unix group ids gids. The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache...

ALPINE-CVE-2021-20254

A flaw was found in samba. The Samba smbd file server must map Windows group identities SIDs into unix group ids gids. The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache...

AZL-7352 CVE-2021-20254 affecting package samba 4.12.5-7

A flaw was found in samba. The Samba smbd file server must map Windows group identities SIDs into unix group ids gids. The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache...

DEBIAN-CVE-2021-20254

A flaw was found in samba. The Samba smbd file server must map Windows group identities SIDs into unix group ids gids. The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache...

UBUNTU-CVE-2020-28013

Exim 4 before 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.'" on the command line, and thus may allow privilege escalation from any user to root. This occurs because of the interpretation of negative sizes in strncpy...

Exim 缓冲区错误漏洞

Exim was developed at Cambridge University as a Message Transfer Agent MTA for Unix systems connected to the Internet. A heap buffer overflow vulnerability exists in Exim in parsefixphrase, which stems from interpreting negative sizes in strncpy, and can be exploited by an attacker to elevate...

USN-4931-1 samba vulnerabilities

Steven French discovered that Samba incorrectly handled ChangeNotify permissions. A remote attacker could possibly use this issue to obtain file name information. CVE-2020-14318 Bas Alberts discovered that Samba incorrectly handled certain winbind requests. A remote attacker could possibly use th...

FreeBSD : samba -- negative idmap cache entries vulnerability (6f33d38b-aa18-11eb-b3f1-005056a311d1)

The Samba Team reports : - CVE-2021-20254: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML...

Integer overflow in CipherUpdate

Calls to EVPCipherUpdate, EVPEncryptUpdate and EVPDecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 indicating succes...

USN-4930-1 samba vulnerability

Peter Eriksson discovered that Samba incorrectly handled certain negative idmap cache entries. This issue could result in certain users gaining unauthorized access to files, contrary to expected behaviour...

UBUNTU-CVE-2021-20254

A flaw was found in samba. The Samba smbd file server must map Windows group identities SIDs into unix group ids gids. The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache...

Samba 缓冲区错误漏洞

Samba is a set of free software from the Samba team that enables UNIX series operating systems to connect to the SMB/CIFS network protocol of Microsoft Windows operating systems. The program supports sharing printers, transferring data files to each other, and so on. A buffer overflow vulnerabili...

Negative idmap cache entries can cause incorrect

Description The Samba smbd file server must map Windows group identities SIDs into unix group ids gids. The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache. This could caus...

LZ4 输入验证错误漏洞

LZ4 is a lossless compression algorithm. LZ4 1:1.9.3-1 suffers from an input validation error vulnerability that stems from potential memory corruption due to an integer overflow bug that causes a memmove parameter to become negative...

DEBIAN-CVE-2021-30022

There is a integer overflow in mediatools/avparsers.c in the gfavcreadppsbsinternal in GPAC from 0.5.2 to 1.0.1. ppsid may be a negative number, so it will not return. However, avc-pps only has 255 unit, so there is an overflow, which results a crash...

DEBIAN-CVE-2021-29279

There is a integer overflow in function filtercore/filterprops.c:gfpropsassignvalue in GPAC 1.0.1. In which, the arg const GFPropertyValue value,maybe value-value.data.size is a negative number. In result, memcpy in gfpropsassignvalue failed...

DEBIAN-CVE-2021-30019

In the adtsdmxprocess function in filters/reframeadts.c in GPAC 1.0.1, a crafted file may cause ctx-hdr.framesize to be smaller than ctx-hdr.hdrsize, resulting in size to be a negative number and a heap overflow in the memcpy...

UBUNTU-CVE-2021-29279

There is a integer overflow in function filtercore/filterprops.c:gfpropsassignvalue in GPAC 1.0.1. In which, the arg const GFPropertyValue value,maybe value-value.data.size is a negative number. In result, memcpy in gfpropsassignvalue failed...