CVE-2002-20001

01/תיאור (מקור, אנגלית)

The Diffie-Hellman Key Agreement Protocol allows remote attackers (from the client side) to send arbitrary numbers that are actually not public keys, and trigger expensive server-side DHE modular-exponentiation calculations, aka a D(HE)at or D(HE)ater attack. The client needs very little CPU resources and network bandwidth. The attack may be more disruptive in cases where a client can require a server to select its largest supported key size. The basic attack scenario is that the client must claim that it can only communicate with DHE, and the server must be configured to allow DHE.

02/מוצרים מושפעים

balasys: dheater; siemens: scalance w1750d firmware; siemens: scalance w1750d; suse: linux enterprise server; f5: big-ip access policy manager; f5: big-ip advanced firewall manager; f5: big-ip advanced web application firewall; f5: big-ip analytics; f5: big-ip application acceleration manager; f5: big-ip application security manager; f5: big-ip application visibility and reporting; f5: big-ip carrier-grade nat; f5: big-ip ddos hybrid defender; f5: big-ip domain name system; f5: big-ip edge gateway

03/קישורים10

• www.researchgate.net/profile/Anton-Stiglic-2/publication/24017‮… ExploitTechnical Description
• www.researchgate.net/profile/Anton-Stiglic-2/publication/24017‮… ExploitTechnical Description
• cert-portal.siemens.com/productcert/pdf/ssa-506569.pdf Third Party Advisory
• dheatattack.com Third Party Advisory
• dheatattack.gitlab.io/ Third Party Advisory
• github.com/Balasys/dheater ProductThird Party Advisory
• github.com/mozilla/ssl-config-generator/issues/162 Issue Tracking
• gitlab.com/dheatattack/dheater Third Party Advisory
• ieeexplore.ieee.org/document/10374117 Technical DescriptionThird Party Advisory
• support.f5.com/csp/article/K83120834 Third Party Advisory