CVE-2009-2695 : Chi tiết

CVE-2009-2695

0.11%V4
2009-08-28
15h00 +00:00
Overflow
Local
2024-08-07
05h59 +00:00
CVE.org
NVD
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Quản lý thông báo

Mô tả CVE

The Linux kernel before 2.6.31-rc7 does not properly prevent mmap operations that target page zero and other low memory addresses, which allows local users to gain privileges by exploiting NULL pointer dereference vulnerabilities, related to (1) the default configuration of the allow_unconfined_mmap_low boolean in SELinux on Red Hat Enterprise Linux (RHEL) 5, (2) an error that causes allow_unconfined_mmap_low to be ignored in the unconfined_t domain, (3) lack of a requirement for the CAP_SYS_RAWIO capability for these mmap operations, and (4) interaction between the mmap_min_addr protection mechanism and certain application programs.

Thông tin CVE

Điểm yếu liên quan

CWE-ID Tên điểm yếu Nguồn
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.

Số liệu

Số liệu Điểm Mức độ nghiêm trọng CVSS Vector Nguồn
V2 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C nvd@nist.gov

EPSS

EPSS là mô hình tính điểm dự đoán khả năng một lỗ hổng bị khai thác.

Điểm EPSS

Mô hình EPSS tạo ra điểm xác suất từ 0 đến 1 (0 đến 100%). Điểm càng cao, xác suất một lỗ hổng bị khai thác càng lớn.

Phân vị EPSS

Phân vị được dùng để xếp hạng CVE theo điểm EPSS. Ví dụ, một CVE ở phân vị thứ 95 theo điểm EPSS có nhiều khả năng bị khai thác hơn 95% CVE khác. Do đó, phân vị được dùng để so sánh điểm EPSS của một CVE với các CVE khác.
EPSS First.org

Sản phẩm được đề cập

Cấu hình 0

Linux>>Linux_kernel >> Version Đến (bao gồm) 2.6.31

Linux>>Linux_kernel >> Version 2.6.0

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Tài liệu tham khảo

http://www.redhat.com/support/errata/RHSA-2009-1672.html
Tags : vendor-advisory, x_refsource_REDHAT
http://www.securityfocus.com/bid/36051
Tags : vdb-entry, x_refsource_BID
https://rhn.redhat.com/errata/RHSA-2009-1540.html
Tags : vendor-advisory, x_refsource_REDHAT
http://www.ubuntu.com/usn/USN-852-1
Tags : vendor-advisory, x_refsource_UBUNTU
http://secunia.com/advisories/38794
Tags : third-party-advisory, x_refsource_SECUNIA
http://eparis.livejournal.com/606.html
Tags : x_refsource_CONFIRM
https://rhn.redhat.com/errata/RHSA-2009-1548.html
Tags : vendor-advisory, x_refsource_REDHAT
http://secunia.com/advisories/38834
Tags : third-party-advisory, x_refsource_SECUNIA
http://www.openwall.com/lists/oss-security/2009/08/17/4
Tags : mailing-list, x_refsource_MLIST
http://secunia.com/advisories/36501
Tags : third-party-advisory, x_refsource_SECUNIA
http://www.debian.org/security/2010/dsa-2005
Tags : vendor-advisory, x_refsource_DEBIAN
http://secunia.com/advisories/37105
Tags : third-party-advisory, x_refsource_SECUNIA
http://www.vupen.com/english/advisories/2010/0528
Tags : vdb-entry, x_refsource_VUPEN
Thông tin trình bày trên CVE Find đến từ nhiều nguồn tham chiếu được chọn lọc cẩn thận. Dữ liệu CVE được cung cấp bởi MITRE Corporation và Cơ sở dữ liệu lỗ hổng quốc gia (NVD). Danh mục lỗ hổng đã bị khai thác đã biết (KEV) có nguồn từ Cơ quan An ninh mạng và Cơ sở hạ tầng (CISA), trong khi điểm EPSS đến từ FIRST.org. Ngoài ra, dữ liệu về điểm yếu phần mềm (CWE) và mẫu tấn công phổ biến (CAPEC) được duy trì bởi MITRE Corporation, và thông tin về cấu hình phần cứng và phần mềm (CPE) được cung cấp bởi NVD.