Buffer overflow in F5 Big-Ip Access Policy Manager
CVE-2015-7547
Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted DNS response that triggers a call to the getaddrinfo function with the AF_UNSPEC or AF_INET6 address family, related to performing "dual A/AAAA DNS queries" and the libnss_dns.so.2 NSS module.
Vulnerability class: Buffer Overflow
EPSS: 0.910 (99.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- F5 Big-ip_access_policy_manager — versions 12.0.0
- F5 Big-ip_advanced_firewall_manager — versions 12.0.0
- F5 Big-ip_analytics — versions 12.0.0
- F5 Big-ip_application_acceleration_manager — versions 12.0.0
- F5 Big-ip_application_security_manager — versions 12.0.0
- F5 Big-ip_domain_name_system — versions 12.0.0
- F5 Big-ip_link_controller — versions 12.0.0
- F5 Big-ip_local_traffic_manager — versions 12.0.0
- F5 Big-ip_policy_enforcement_manager — versions 12.0.0
- Gnu Glibc — versions 2.9, 2.10, 2.10.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking)
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2015-7547?
- CVE-2015-7547 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2016-02-18.
- How severe is CVE-2015-7547?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2015-7547 known to be exploited?
- 94 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.