CVE-2019-1010022CWE-119

CVE-2019-1010022

Critical · published July 15, 2019

CVSS v3.0
9.8
EPSS
3%
Percentile
88.2
In the wild
Unconfirmed
What it is

⚠️ A little oversight could let attackers bypass stack guard protection with a crafty technique! 🤔 Think of stack guards as a security checkpoint at a hotel — they check guests for weapons before allowing entry. If an attacker finds a way to slip past the checkpoint, they can cause chaos in the hotel without any scrutiny! While the vulnerability might be downplayed as a non-threat, the potential for exploiting a stack buffer overflow remains alarming. An attacker could manipulate the execution flow, leading to unintended program behavior, data leaks, or even system crashes. It's a slippery slope that can escalate quickly!

Put simply

Think of stack guards as a security checkpoint at a hotel — they check guests for weapons before allowing entry. If an attacker finds a way to slip past the checkpoint, they can cause chaos in the hotel without any scrutiny! This CVE in GNU Libc's nptl component allows attackers to exploit a stack buffer overflow and bypass stack guard protections meant to prevent such exploits. Essentially, it weakens the defenses that are typically in place to secure application memory.

What to do

While the vulnerability might be downplayed as a non-threat, the potential for exploiting a stack buffer overflow remains alarming. An attacker could manipulate the execution flow, leading to unintended program behavior, data leaks, or even system crashes. It's a slippery slope that can escalate quickly! For developers, keep an eye on updates for GNU Libc and ensure you're using the latest patched version. Regularly audit your applications for stack buffer overflow vulnerabilities and implement additional layers of security to mitigate risks. 🛡️ You've got this! Stay vigilant, and with these steps, you'll keep your systems safe and secure! 💪✨

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03249 · 88.2th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2019-07-15T08:15Z
Affected products (1)
ProductVersionsFixed in
gnu/glibcall versions—
References (9)
EPSS history
Timeline
  • 15 JUL 03:00Z
    GNU Libc current is affected by: Mitigation bypass
    cvelistv5