CVE-2020-35893

An issue was discovered in the simple-slab crate before 0.3.3 for Rust. remove has an off-by-one error, causing memory leakage and a drop of uninitialized memory...

Rust Security Vulnerabilities

Rust is a general-purpose, compiled programming language from the Mozilla Foundation. A security vulnerability exists in Rust simple-slab crate before 0.3.3 for Rust, which stems from remove having an off-by-one error, resulting in a memory leak and loss of uninitialized memory...

CVE-2020-29040

An off-by-one flaw was found in one of the two patches for CVE-2020-27671 XSA-346. This flaw allows malicious x86 HVM and PVH guests to cause host data corruption and data leaks, resulting in a denial of service or potential privilege escalation. The highest threat from this vulnerability is to...

DEBIAN-CVE-2020-29040

An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service stack corruption, cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671...

CVE-2020-29040

An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service stack corruption, cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671...

ALPINE-CVE-2020-29040

An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service stack corruption, cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671...

UBUNTU-CVE-2020-29040

An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service stack corruption, cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671...

Design/Logic Flaw

An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service stack corruption, cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671...

CVE-2020-29040

An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service stack corruption, cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671...

CVE-2020-29040

An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service stack corruption, cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671...

CVE-2020-29040

Xen up to 4.14.x contains an off-by-one error introduced by an incorrect fix for CVE-2020-27671, allowing local x86 HVM guest OS users to cause denial of service (stack corruption), data leakage, or privilege escalation. Affected component: Xen hypervisor (x86 HVM path). Root cause: a diff-one/of...

Oracle Linux 8 : cyrus-sasl (ELSA-2020-4497)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-4497 advisory. - Backport fix for CVE-2019-19906 Tenable has extracted the preceding description block directly from the Oracle Linux security advisory. Note that Nessus has n...

cyrus-sasl: denial of service in _sasl_add_string function

cyrus-sasl aka Cyrus SASL 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of-service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in sasladdstring in common.c in cyrus-sasl...

squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash

A flaw was found in squid. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer,...

sploitfun-linux-x86-exp-tut-zh

This is a Linux x86 exploit development tutorial series. The series covers various topics such as buffer overflow, integer overflow, off-by-one vulnerability, return-to-libc, and ASLR bypass. The tutorials are written in Chinese and translated into English. The series includes chapters on: 1...

RUSTSEC-2020-0039 `index()` allows out-of-bound read and `remove()` has off-by-one error

Slab::index does not perform the boundary checking, which leads to out-of-bound read access. Slab::remove copies an element from an invalid address due to off-by-one error, resulting in memory leakage and uninitialized memory drop...

`index()` allows out-of-bound read and `remove()` has off-by-one error

Slab::index does not perform the boundary checking, which leads to out-of-bound read access. Slab::remove copies an element from an invalid address due to off-by-one error, resulting in memory leakage and uninitialized memory drop...

Open-Xchange: Buffer overread off by one in `rpa_read_buffer`, incomplete fix for CVE-2020-12674

In function rpareadbuffer, the condition in if p end return 0; len = p++; is not strict enough It should be if p = end return 0; len = p++; The fix from https://github.com/dovecot/core/commit/69ad3c902ea4bbf9f21ab1857d8923f975dc6145 is not enough The ASAN stack trace is...

CVE-2020-14508

GateManager versions prior to 9.2c, The affected product is vulnerable to an off-by-one error, which may allow an attacker to remotely execute arbitrary code or cause a denial-of-service condition...

CVE-2020-14508

GateManager versions prior to 9.2c, The affected product is vulnerable to an off-by-one error, which may allow an attacker to remotely execute arbitrary code or cause a denial-of-service condition...