Access Restriction Bypass Affecting python-perf package, versions <0:2.6.32-504.30.3.el6


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.87% (83rd percentile)

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  • Snyk IDSNYK-ORACLE6-PYTHONPERF-2498880
  • published10 Apr 2022
  • disclosed16 Mar 2015

Introduced: 16 Mar 2015

CVE-2015-1593  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Oracle:6 python-perf to version 0:2.6.32-504.30.3.el6 or higher.
This issue was patched in ELSA-2015-1221.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-perf package and not the python-perf package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function in fs/binfmt_elf.c and the stack_maxrandom_size function in arch/x86/mm/mmap.c.

References

CVSS Scores

version 3.1