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CVE-2014-0143

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 2.0.0之前版本存在输入验证错误漏洞，该漏洞源于存在多个整数溢出，可能允许本地用户通过 精心设计的目录大小导致拒绝服务。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.40% · P33
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I. Basic Information for CVE-2014-0143

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
QEMU 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 2.0.0之前版本存在输入验证错误漏洞，该漏洞源于存在多个整数溢出，可能允许本地用户通过 精心设计的目录大小导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2014-0143

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III. Intelligence Information for CVE-2014-0143

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Vendor Advisories for CVE-2014-0143 (4)

Other References for CVE-2014-0143 (5)

Same Patch Batch · n/a · 2017-08-10 · 6 CVEs total

CVE-2014-0142 QEMU 数字错误漏洞
CVE-2014-0145 QEMU 缓冲区错误漏洞
CVE-2014-0146 QEMU 代码问题漏洞
CVE-2017-12798 NexusPHP 跨站脚本漏洞
CVE-2017-12799 GNU Binutils 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2014-0143

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