Heap-based buffer overflow in the bx_ne2k_c::rx_frame function in iodev/ne2k.cc in the emulated NE2000 device in Bochs 2.3 allows local users of the guest operating system to write to arbitrary memory locations and gain privileges on the host operating system via vectors that cause TXCNT register values to exceed the device memory size, aka "RX Frame heap overflow."
総合評価: CVE-2007-2893 は中リスク(41.9/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 0.46%、36 パーセンタイル) 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.06% | 0.46% | +0.41% |
| 2 | 2025-03-17 | 0.04% | 0.06% | +0.01% |
| 3 | 2023-03-07 | — | 0.04% | — |
EPSS の全履歴 (全 4 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2007-2893 low priority: Debian including 1 source packages (bochs), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2007-2893 |
gentoo
|
high | CVE-2007-2893: 1 GLSA(s) (200711-21), 1 atom(s) (app-emulation/bochs); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-2893 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2007-2893 |
ubuntu
|
medium | CVE-2007-2893 medium priority: Ubuntu including 4 source packages (bochs, kvm, qemu, qemu-kvm), 33 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 8, ignored 8, not-affected 8, released 6, needs-triage 2, needed 1. | https://ubuntu.com/security/CVE-2007-2893 |
Not vulnerable. This issue did not affect Xen as shipped with Red Hat Enterprise Linux 5.
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| bochs_project | bochs | 2.3 | cpe:2.3:a:bochs_project:bochs:2.3:-:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://bugs.gentoo.org/show_bug.cgi?id=188148 | Third Party Advisory |
| http://osvdb.org/36799 | Broken Link |
| http://secunia.com/advisories/25470 | Third Party Advisory |
| http://secunia.com/advisories/26364 | Third Party Advisory |
| http://secunia.com/advisories/27715 | Third Party Advisory |
| http://security.gentoo.org/glsa/glsa-200711-21.xml | Third Party Advisory |
| http://taviso.decsystem.org/virtsec.pdf | Third Party Advisory |
| http://www.debian.org/security/2007/dsa-1351 | Third Party Advisory |
| http://www.securityfocus.com/bid/24246 | Third Party Advisory VDB Entry |
| http://www.vupen.com/english/advisories/2007/1936 | Third Party Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/34508 | Third Party Advisory VDB Entry |