Design/Logic Flaw

Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service process crash via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute...

CVE-2009-2056

Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service process crash via vectors involving a BGP UPDATE message with many AS numbers prepended to the AS path...

CVE-2009-2056

Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service process crash via vectors involving a BGP UPDATE message with many AS numbers prepended to the AS path...

Cisco IOS XR软件BGP更新拒绝服务漏洞

CVECAN ID: CVE-2009-2055 Cisco IOS是思科网络设备所使用的互联网操作系统。 Cisco IOS XR软件在接收到特定的无效BGP更新时会重置BGP对等端会话。当BGP对等端发布带有特殊无效属性的前缀时会出现这个漏洞。接收到这个前缀后Cisco IOS XR设备会通过发送通知来重启对等端会话，在发送端停止发送无效的破损更新之前对等端会话会震荡。 在接收无效的更新时，接收的Cisco IOS XR软件设备会显示类似于以下的日志消息： RP/0/RP0/CPU0:Aug 17 13:47:05.896 GMT: bgp122:...

CVE-2009-2055

Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service session reset via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009...

Design/Logic Flaw

Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service session reset via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009...

CVE-2009-2055

Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service session reset via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009...

CVE-2009-2055

Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service session reset via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009...

CVE-2009-2055

Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service session reset via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009...

CVE-2009-2055

Cisco IOS XR (Cisco IOS XR software) versions 3.4.0–3.8.1 are affected by a BGP UPDATE handling DoS vulnerability (CVE-2009-2055). The issue allows remote attackers to cause a denial of service by sending a BGP UPDATE with an invalid attribute, resulting in a session reset of the BGP peering. Dem...

Cisco Security Advisory: Cisco Security Advisory: Cisco IOS XR Software Border Gateway Protocol Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco Security Advisory: Cisco IOS XR Software Border Gateway Protocol Vulnerability Advisory ID: cisco-sa-20090818-bgp http://www.cisco.com/warp/public/707/cisco-sa-20090818-bgp.shtml Revision 1.0 For Public Release 2009 Augu...

Cisco IOS XR BGP DoS

BGP session reset on malformed BGP update...

CVE-2009-1168

Cisco IOS 12.032S12 through 12.032S13 and 12.033S3 through 12.033S4, 12.032SY8 through 12.032SY9, 12.233SXI1, 12.2XNC before 12.233XNC2, 12.2XND before 12.233XND1, and 12.424T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to...

Memory corruption

Cisco IOS 12.032S12 through 12.032S13 and 12.033S3 through 12.033S4, 12.032SY8 through 12.032SY9, 12.233SXI1, 12.2XNC before 12.233XNC2, 12.2XND before 12.233XND1, and 12.424T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to...

Code injection

Cisco IOS 12.032S12 through 12.032S13 and 12.033S3 through 12.033S4, 12.032SY8 through 12.032SY9, 12.233SXI1 through 12.233SXI2, 12.2XNC before 12.233XNC2, 12.2XND before 12.233XND1, and 12.424T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows...

CVE-2009-2049

Cisco IOS 12.032S12 through 12.032S13 and 12.033S3 through 12.033S4, 12.032SY8 through 12.032SY9, 12.233SXI1 through 12.233SXI2, 12.2XNC before 12.233XNC2, 12.2XND before 12.233XND1, and 12.424T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows...

CVE-2009-1168

Cisco IOS 12.032S12 through 12.032S13 and 12.033S3 through 12.033S4, 12.032SY8 through 12.032SY9, 12.233SXI1, 12.2XNC before 12.233XNC2, 12.2XND before 12.233XND1, and 12.424T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to...

CVE-2009-1168

Cisco IOS/IOS XE devices with BGP RFC4893 four-byte ASN support are affected by two DoS vulnerabilities (CSCsy86021 and CSCta33973) triggered by BGP updates containing long AS paths or crafted malformed updates. The primary issue is memory corruption leading to device reloads when a peer with 2-b...

CVE-2009-2049

CVE-2009-2049 covers Cisco IOS/IOS XE with RFC4893 BGP enabled. A remote attacker can trigger a device reload by sending a malformed BGP update from a 4‑byte AS speaker to a 2‑byte AS speaker (Bug CSCta33973). Affects multiple releases across 12.x trains and IOS XE 2.3–2.4; exploitation leads to ...

Cisco IOS畸形BGP自治系统路径拒绝服务漏洞

Bugraq ID: 35862 CVE ID：CVE-2009-1168 Cisco IOS是一款流行的Internet操作系统。 Cisco IOS存在拒绝服务攻击，远程攻击者可以利用漏洞使设备重启。 处理AS路径段包含超过1000个自治系统的BGP更新时，会导致设备重载。如果一个受影响的4字节AS自治号BGP Speaker接收到来自2字节AS自治号的BGP Speaker提供的AS路径段包含超过1000个自治系统的BGP更新时，设备会由于内存破坏而崩溃，会显示"%%Software-forced reload"的错误信息。 成功利用此漏洞需要3个条件： -受影响的Cisco...