CVE-2013-4206
1.14%V4
2013-08-19
23h00 +00:00
23h00 +00:00
Notifikasi untuk CVE tertentu
Tetap terinformasi tentang perubahan untuk CVE tertentu.
Deskripsi CVE
Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting operations during modular multiplication.
Informasi CVE
Kelemahan Terkait
| Nama Kelemahan | Sumber | |
|---|---|---|
| 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. |
Metrik
| Metrik | Skor | Tingkat keparahan | CVSS Vektor | Sumber |
|---|---|---|---|---|
| V2 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P | nvd@nist.gov |
EPSS
EPSS adalah model penilaian yang memprediksi kemungkinan suatu kerentanan dieksploitasi.
Skor EPSS
Model EPSS menghasilkan skor probabilitas antara 0 dan 1 (0 hingga 100%). Semakin tinggi skor, semakin besar probabilitas bahwa suatu kerentanan akan dieksploitasi.
Persentil EPSS
Persentil digunakan untuk meranking CVE berdasarkan skor EPSS mereka. Misalnya, CVE di persentil ke-95 berdasarkan skor EPSS-nya lebih mungkin dieksploitasi daripada 95% CVE lainnya. Dengan demikian, persentil digunakan untuk membandingkan skor EPSS suatu CVE dengan CVE lainnya.
Produk yang Disebutkan
Konfigurasi 0
Putty>>Putty >> Version 0.45
Putty>>Putty >> Version 0.46
Putty>>Putty >> Version 0.47
Putty>>Putty >> Version 0.48
Putty>>Putty >> Version 0.49
Putty>>Putty >> Version 0.50
Putty>>Putty >> Version 0.51
Putty>>Putty >> Version 0.52
Putty>>Putty >> Version 0.53b
Putty>>Putty >> Version 0.54
Putty>>Putty >> Version 0.55
Putty>>Putty >> Version 0.56
Putty>>Putty >> Version 0.57
Putty>>Putty >> Version 0.58
Putty>>Putty >> Version 0.59
Putty>>Putty >> Version 0.60
Putty>>Putty >> Version 0.61
Putty>>Putty >> Version 2010-06-01
Simon_tatham>>Putty >> Version Hingga (termasuk) 0.62
Simon_tatham>>Putty >> Version 0.53
Referensi
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modmul.html
Tags : x_refsource_CONFIRM
Tags : x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
Tags : vendor-advisory, x_refsource_SUSE
Tags : vendor-advisory, x_refsource_SUSE
http://svn.tartarus.org/sgt/putty/sshbn.c?sortby=date&r1=9977&r2=9976&pathrev=9977
Tags : x_refsource_CONFIRM
Tags : x_refsource_CONFIRM
