CVE-2015-3281

UnknownEPSS 4.24%

Last modified

CVE-2015-3281 is a vulnerability of currently unknown severity. The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.. EPSS estimates a 4.24% chance of exploitation in the next 30 days.

Description

The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.

Metrics

EPSS Probability
4.24%

89.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
DebianDebian Linux8.0
HaproxyHaproxy1.5Dev
HaproxyHaproxy1.5.0
HaproxyHaproxy1.5.1
HaproxyHaproxy1.5.2
HaproxyHaproxy1.5.3
HaproxyHaproxy1.5.4
HaproxyHaproxy1.5.5
HaproxyHaproxy1.5.6
HaproxyHaproxy1.5.7
HaproxyHaproxy1.5.8
HaproxyHaproxy1.5.9
HaproxyHaproxy1.5.10
HaproxyHaproxy1.5.11
HaproxyHaproxy1.5.12
HaproxyHaproxy1.5.13
HaproxyHaproxy1.6Dev0
CanonicalUbuntu Linux14.10
CanonicalUbuntu Linux15.04
OpensuseOpenstack Cloud5
OpensuseOpensuse13.2
SuseLinux Enterprise High Availability Extension12
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Server Aus7.3
RedhatEnterprise Linux Server Aus7.4
RedhatEnterprise Linux Server Aus7.6
RedhatEnterprise Linux Server Eus7.1
RedhatEnterprise Linux Server Eus7.2
RedhatEnterprise Linux Server Eus7.3
RedhatEnterprise Linux Server Eus7.4
RedhatEnterprise Linux Server Eus7.5
RedhatEnterprise Linux Server Eus7.6
RedhatEnterprise Linux Server Tus7.3
RedhatEnterprise Linux Server Tus7.6
RedhatEnterprise Linux Workstation7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-3281?
The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.
How severe is CVE-2015-3281?
Severity scoring for CVE-2015-3281 is pending analysis. The EPSS model estimates a 4.24% probability of exploitation in the next 30 days.
How do I fix CVE-2015-3281?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-3281?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST